अझ प्रष्ट हुन सकेन त .....

Steps: 1. Draw base line AB = 5.5 cm. 2. Using compass draw an angle 90∘ at points A and B. 3. Mark point D and C from A ard B respectively such that AD = BC = 4.5 cm. 4. Join DC. 5. Extend line AB to X and using compass mark point F .....

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a. Cell wall                                   Covers plant cell b. Nucleus                        .....

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Given, Coordinates of A(1, 2) and B(5, 6). Use the distance formula between AB, i.e. Distance between AB = √( x2 - x1)2 + (y2 - y1)2                       .....

Here, let P(3, 4) = (x1, y1)  Q(3, 1) =  (x2, y2) We know, centroid divide the median into the ratio 2:1 = m1:m2. Using section formula: Centroid = G(x, y) = ({m1x2 + m2x1}/{m1 + m2} , {m1y2 + m2y1}/{m1 + m2}) Use values given .....

[ Area of four walls = 2h( l + b ) Since the room is square, hence l = b Area of the four walls of squared room = 2h(l + l) = 2h ⨯ 2l = 4hl     ] By question, Height of the room ( h ) = 4m Area of the four walls of the squared .....

a. All is well, isn't it? b. Do you not like to have fresh vegetables? c. What have they been learning since January?  d. is crying e. They have helped Rabina.  f. Our teacher says water freezes at O degree .....

a. Fighting in classroom is prohibited, isn't it?  b. I have always seen a tiger.  c. How long has she been living there?  d.  Nita likes to play with the kids. e. I have invited her.  f. The teacher said that .....

a. They didn't come early, did they? b. Everybody played well yesterday.  c. Does he have a new mobile? d. Gopi goes to school daily.  e.They are helping us.  f. They ask if I can complete my project work on .....

Similarly, in this system, plots of land are cultivated temporarily, then abandoned and allowed to revert to their natural vegetation while the cultivator moves on to another plot. The period of cultivation is usually terminated when the soil shows .....

Equatorial climatic region lies between 0o- 5o latitude in both hemispheres. It is found in Amazon Basin and Guinea Coast in South America, Congo Basin and Guinea Coast in Africa, Malaysia and East Indies. Well, if I were an inhabitant of the .....

Here, in right angled triangle ABC,  AC = √(AB2 + AC2)    [ Using Pythagoras theorsm.] Use AB = 9cm & AC = 12cm you will get   AC = 15cm. Perimeter of base triangle ABC = AB+BC+AC = 36cm. We .....

Among the numerous kinds of food, my favourite is pizza.  It tastes really fabulous.  Most kids even adults, love to eat pizza.  Pizza originated from Italy and was a basic part of the Italian diet. In fact, the world’s .....

The revolution of the earth leads to the variation of length of day and night. Due to the tilted axis of the earth, duration of days and nights vary in northern and sourthern hemisphere. When the sun is over the equator, the day and night are of .....

According to the astronomical definition, spring occurs when the Sun’s rays strike the equator at noon from directly overhead. This particular time varies from year to year due to variations in the Earth’s orbit about the Sun. In the .....

President Roosevelt of USA sought to provide assistance for the Allies, while still keeping the United States out of the war. .....

The Treaty of Versailles was the most important of the peace treaties that brought World War I to an end. The Treaty ended the state of war between Germany and the Allied Powers. Germany had formally surrendered on November 11, 1918, and all .....

Here,  No.of frequencies = n. Position of first quartile = (n/4)th item Actual first quartile = Q1 = L + i(n/4 - .....

a. Two flattened surfaces of the earth are called poles. b.  Tilted axis and the revolution of the earth around the sun are responsible for the change of .....

Summer is hot because due to the tilted axis of the earth. During the summer, the sun's rays hit the Earth at a steep angle. The light does not spread out as much, thus increasing the amount of energy hitting any given spot. Also, the .....

If m and n are in gp then let m =ar and n=a/r  [ In GP we suppose two no ar & a/r, with common ratio r.] By the question, 

AM=2GM

or, (m+n)/2 = 2√ab

or, m + n=4√mn

Put m  and n in .....

If a > b then a2 > b2 if a and b are positive real numbers greater than 1. Here, 6√162 and 8√5 are both greater than 1) Let's assume that 6√162 > 8√5. Squaring both sides we get,   .....

If a > b then a2 > b2 if a and b are positive real numbers greater than 1. Here, 4√12 and 6√8 are both greater than 1. Let's assume that 4√12 > 6√8. Squaring both sides we get,   .....

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Here,  we have to find the product when 5.75 is multiplied by 4.7. i.e 5.75 ⨯ 4.7 First, write the numbers after removing the decimals as below. 575 ⨯ 47       5 7 5     ⨯  4 7   .....

Here,  we have to find the quotient when 3.6 is divided 3. 3.6 ÷ 3 First, write the numbers after removing the decimals as below. 36 ÷ 3 3 ) 36 ( 12      3         0 .....

Here,  LHS = 2[1 - 2sin2(π/8) × cos2(π/8)] = 2[1 - 1/2{2sin(π/8) × cos(π/8)}2] = 2[1 - 1/2 {sin2(π/8)}2 ]     [ Since, 2sinA cosA = sin2A.] = 2[1 - 1/2sin2π/4] Now, use the .....

Here, to arrange 2∛4, 4√8 and 3∛2 in order, we need to make same order of these surds. Here, LCM of the order of the given surds is 6. So, 2∛4 = 2 2x∛42 = 2 6√16 = 66√[16 x 26] .....

Here, x - yz-xz-y+y - zx-yx-z+z - xy-xy-z  -(x - y)z-xy-z-(y - z)x-yz-x-(z - x)x-yy-z Taking LCM we get, -(x - y) (x - y) - (y - z)(y - z) - (z - x)(z - x)x -y )(z-xy-z -(x - y)2 - (y - z)2 - (z - x)2x -y )(z-xy-z      .....

Here, = a2a-ba-c+b2b-cb-a+c2c-ac-b  Arrange the alphabet of denominator in cyclic order, we get = -a2a-bc -a-b2b-ca-b-c2c-ab-c  Taking LCM (a - b) ( b - c)(c - a), we get = - a2(b - c) - b2(c - a) - c2(a - b) a-bb -c)(c .....

Climate change is a change in the distribution of weather patterns. .....

Freshwater is water with a dissolved salt concentration of less than 1%. There are two kinds of freshwater reservoirs: standing bodies of freshwater, such as lakes, ponds and inland wetlands and floating bodies of freshwater, such as streams and .....

A map may be defined as the pictorial representation of the physical features of earth on a piece of paper. Drawing a map of any place is the combination of mental process as well as science. To draw a map of any place we need to .....

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