Students and Teachers Forum
Here, BD = AB - AD = 8 - 6 = 2cm In ∆ABC & ∆BDC (i) AB/BC = 8cm/4cm = 2/1 (ii) BC/BD = 4cm/2cm = 2/1 Here, AB/BC = BC/BD=2/1. Ratios of corresponding sides are equal so ∆ABC ∼ .....
Here, Given: ABCD is a quadrilateral whose diagonals intersect at E. AC is produced to f such that CF = AE. To .....
Sandwiched between Indian and China, Nepal is primarily an agro-based economy. Almost 70% of its citizens are dependent on the farm for their survival. Nepal's climatic and geographical diversity allows her to have a wide range of products .....
The significance of cleanliness and hygiene cannot be overlooked by any society. Every faith and civilisation stresses the importance of cleanliness. Historically, cleanliness has been considered one of the important factors by which to judge a .....
Mahara's custody was extended till October 23 by the .....
Here, LHS = tan2A - sin2 .....
Here, L.H.S. = sec4A - sec2 .....
Here, LHS = sinA / (1 + cosA) + (1+cos A) / sinA Taking LCM, we get = {sin2A + (1 + cosA)2}/{sinA(1 + cosA)} = { sin2A + 1 + .....
Here, LHS = tanA(1 - cotA)/(1 + tanA) = tanA(1 - 1/ tanA)/(1 + tanA) [ Since, cotA = .....
Here, Height of cylindrical part(H) = 14cm Height of conical part (h) = Total height - Height of cylinder .....
But Nepali society is much developed and people are more educated as thet have access to modern communication technologies. But, still the present Nepali society still faces many problems of its own like misuse of technology, corruption and abuse .....
Here, x3 + 3x2 - 4x - 12 = 0 or, x2(x + 3) - 4(x + 3) = 0 or, (x + 3)(x2 - 4) = 0 Either, x + 3 = 0 ⟹ x = - 3. Or, x2 - 4 = 0 ⟹ x2 = 4⟹ x .....
Yes, diversification is the only possible way to develop trade within and outside the country. Diversification leads to development in multiple directions. Trade diversification is the process of expanding trade or different items to different .....
The events that are happening currently within the community and in other parts of world may be termed as current affairs. Both the public and the students should be aware of the current events, even more for the students. It is important for the .....
Here, Area of ∆PQS = Area of ∆QRS [ Since, diagonal SQ bisects the //gm.] or, ∆ PQT + ∆PST .....
Here, we have, refractive index of water (μ) = 4/3 Speed of light in water = ? Speed of light in air = 3⨯108 m/s. We know that, μ = Speed of light in air/Speed of light in .....
Here, Points R, A, T and U are concyclic such that arc RA = arc UT & chords AU and RT are intersected at a point X. 1. Join, UR. i) AR//UT .....
Trade between any two regions of a particular nation may be termed as internal trade. Internal Trade also known as Domestic Trade. Ex: Trade between wholesale traders buying sugar from the manufacturer and selling it to retailers. External trade .....
Events that are happening right at the moment may be termed as the current affairs. It is important for people to be aware of current affairs for the following reasons: they help us to be aware of the situations that are happening within own .....
Some of the advantages of technology are as listed below: Utilisation of resources for developmental activities Fast communication for better sharing of resources Improvement of human resources management Saving of time and easy mobility for .....
An ambassador may be defined as the chief of the diplomatic mission representing a guest nation in the host nation. He/She is responsible for maintaining harmonious bilateral relation between the nations both between the government as well as .....
Both the Embassy and the Consulate refer to Government representations in a foreign country. The Embassy is a diplomatic organization of one country in another country, it is established when two countries have diplomatic relations and agree to .....
बिहान उठेदेखि बेलुका सुत्नुभन्दा अगाडिसम्म आफूले गरेको कामको सिलसिलाबद्ध वर्णन नै दैनिकी हो .....
भविष्यमा म शिक्षक बन्न चाहन्छु .....
As 1 gram = 1000 miligram, 1 miligram = 1/1000 = 0.001 .....
Here, join B & G. Proof: Statements Reasons i) ∆GAB = 1/2 of //GAEF i) Standing on the same base GA and between same //s GA & EF. ii) ∆GAB = 1/2 of //ABCD ii) .....
The length of an object is its most extended dimension - that is, its longest side. The length of your dog, for example, would be from the tip of its nose to the end of its tail. That distance is greater than the distance from the top of its head .....
We have , x -23= -4 y ==> x = 23- 4y ------i) and, 7x = 3y + 6-----------------ii) Solving these , we get, 7( 23 - 4y) = 3y+6 or, 161 - 28y -3y = 6 or, 31y = 155 or, y = 5 Put y = 5 in (i), x = 23 - 4y = 23 - 20 .....
We have given equation of the circle is 2x2 + 2y2 + 4x - 2y + 1 = 0. Equation of circle concentric to the given circle is 2x2 + 2y2 + 4x - 2y + c = 0.............(i) Since, this circle is passes through (4, .....
Here, Let the common ratio be k. Then the sides of triangles are 6k, 6k and k. Now, P = 6k + 6k + k or, 52cm = 13k or, k = 4cm So, its equal sides = 6k = 24cm = a and base = k = 4cm = b. Finally, Area= b/4 x .....
Here, Slant height (l) = 10cm Length of side (a) = 6cm. Volume = ? Area = ? We know, Surface area = 3al/2 + √3 a2 .....
Here, LHS = (p sinA + q cosA)2 + (p cosA - q sinA)2 Breaking whole square, we get = p2sin2A + 2p sinA.q cosA + q2 cos2A+ p2 cos2A - 2p cosA. q sinA+ .....
We know that society is dynamic in nature, meaning that it constantly evolves with time. The social norms also change with time. Since the social problems are dependent upon the social practice (malpractice), the social problems in the past are .....
Here, LHS = (p sinØ + q cosØ)2 + (p cosØ - q sinØ)2 Breaking whole square, we get = p2sin2Ø + 2p sinØ.q cosØ + q2 cos2Ø + .....
Let , A = (x1, y1) = ? B(-1, -3) = (x2, y2) Mid-point (-1, -3) =(x, y) Now, using mid-point formula x = (x1 .....
Here, M (2, -2) and N (5, 1) are the co ordinates of line segment MN x1 = -1, x2 = 3 y1 = 2, y2 = 0 Point A (0, y) divides the line segment in ratio m1 : m2 .....
Here, P (2, -2) and Q (5, 1) are the co ordinates of line segment PQ x1 = 2, x2 = 5 y1 = -2, y2 = 1 Point A (x, 0) divides the line segment in ratio m1 : m2 .....
Let , A(-1, k) = (x1, y1) B(1, 1) = (x2, y2) Mid-point (a, 3) =(x, y) Now, using mid-point formula x = (x1 .....
Let , A(-7, 5) = (x1, y1) B(-3, 3) = (x2, y2) Mid-point P(x, y) =? Now, using mid-point formula x = (x1 .....
Let , A(a, 2) = (x1, y1) B(6, b) = (x2, y2) Ratio = m1:m2 = 2:3. P(3, 6) = (x, y) Now, using section formula x = (m1 .....
Here, A(-3, 3) and B (5, -1) are the co ordinates of line segment AB x1 = -3, x2 = 5 y1 = 3, y2 = -1 Point P (3, 0) divides the line segment in ratio m1 : m2 Now, .....
Let , A(-7, 5) = (x1, y1) B(3, 0) = (x2, y2) Ratio = m1:m2 = 3:2. Now, using section formula x = (m1 .....
Let AC be the length of ladder andAB be the height of the wall. Here, BC = 15m. ∡c = 45o. Now, TanC = AB/BC [ .....
Here, Let AB be the height of tower and BC be the distance between an object and tower. ∡XAC = ∡C = 30o [ ∵ Alternate angles are equal.] Now, .....
Here, n(U) = 300 = 100% n(P) = 60% n(C) = 35% n(PUC)' = 20%. We know, n(PUC) = n(U) - n(PUC)' or, n(P) + n(C) - n(P∩C) = .....
Here, slope of 1st line is m1= -√3/1 = -√3 [Since, slope = -coeff. of x / coeff. of y.] Slope of 2nd line is m2=-1/-√3= 1/√3 Now, tanθ=+ or -{(m1-m2)/(1+m1m2)} Now .....
A simple circuit diagram consisting of a switch,battery,conducting wire,resistor,volt meter and ameter is shown .....
Here, Let AB be the height of the building which is 30m and BC be the length of its shadow. DE be the tree and AD is length of its shadow which is 8m. In right angled triangle CDE, TanC = DE/CD .....