To prove it, we have to know the triangle rule. I hope you know it. Take triangle OPR and find get PR, Take triangle ORQ and find PQ. Now use the given condition,  PQ = 4 PR , Simplify to get .....

Let the vertices of the triangle are A(x1, y1), B(x2, y2), C(x3, y3) To make simple; Draw DE, DF, FE and BF As D and F are mid points of AB and AC ∴DF || BE E and F are mid points of BC and AC ∴EF || BD Hence, DBEF is a .....

Loop is defined as a sequence of instruction that is continously repeated until a certain condition is reached. For loop is used for specifying iterations that allows the code to execute repeatedly when the number of iterations are known before .....

Duodenum is 'C' shaped. It receives bile form gall baldder and pancreatic juice form pancreas through hepato-pancreatic duct. It is the main site where all the complex foods are completely digested into simpler food. Middle part of small .....

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Please look at the following video for more .....

We know 1year = 365 days 1 day = 24 hours 1 hours = 60 mins 1 min = 60 sec Now 1 day = 24 x 60 x 60 seconds                   = 86, 400 seconds Since distance travel by light in 1 second .....

Again to convert decimal to binary, divide the answer you get above by 2 by factorization method and write the remainder in reverse way. If any confusion, you can send ask .....

Plants make their food by using sunlight with the combination of water and carbon dioxide by the process called photosynthesis in their leaves. You know that plants make food in their leaves. The leaves contain a pigment called .....

She asked what I had .....

The assertive sentences ends in full stops. So, the answer will be  'You invited your .....

I am made to play .....

Let's always takes "shall we" and   Let takes "will you". So, the answer is "will .....

Frist we have to make figure according to question. Let A (2, -1) and B (3, 2) be the given points and P (x, y) be the

co-ordinates of a point P on the required locus. Then,

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The prime numbers must be 3, 3, 3, 3, 3 and 3.  Keep the numbers in group using multiplication sign as shown below; 729 = (3 × 3) × (3 × 3) × (3 × 3) You may have learnt that  when same .....

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Here initial population , final population and time is given and we have to  find growth rate. For this,  P = 10000 Pt = 13310 Time = t = 3 yrs. if R be the growth rate , then Pt = P ( 1+ R/100)t or, 13310 = 10000 ( 1 + R .....

Here both the term has same variable i.e 'a' and same power i.e '4'. So we can add both the terms as a4 + a4                                   .....

The phases of moon is possible due to two main reasons. They are listed below: 1. The moon can't produce its own light. It simply reflects the rays coming from the sun. 2. The moon is revolving around the earth in its elliptical orbit. Owing .....

निबन्ध सुरु गर्दा सर्वप्रथम शीर्षक लेख्ने  त्यसपछि निबन्धमा आदि ,मध्य र अन्त्य गरी जम्मा .....

निबन्ध सुरु गर्दा सर्वप्रथम शीर्षक लेख्ने  त्यसपछि निबन्धमा आदि ,मध्य र अन्त्य गरी जम्मा .....

Krishna, without government country cannot exist. The country without government will be directionless. In such situation, everything turn upside down. There will exist social problems and crimes. The life will be very .....

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If yes, then they are called the indicators of the .....

Just for example, let us say economists find out that an economy is experiencing with decrease in output, increase in unemployment and decrease in consumer spending.  Then based on these facts, the policy makers decide to increase the .....

An electrocardiogram (ECG) is a test which measures the electrical activity of your heart to show whether or not it is working normally. An ECG records the heart's rhythm and activity on a moving a strip of paper or a .....

You   may know that animals like tiger, lion depends on other animals for their food. Canine teeth helps them to prey the animals. It help for eating the flesh. So, canine teeth are found in .....

Now, according to equation of motion,  s = ut +(1/2)at2  For vertical motion, s = h, a = -g (since the body is traveling in the direction opposite to the direction of gravity) So, h = ut - (1/2)gt2 ....... (i) Also, v = u + .....

This problem is related to counting. Here, 8 colored beads can be arranged in a bracelet in ( 8 - 1) ! ways. = 7 ! =  5040 ways.  If the distinction between clockwise and anti-clockwise be not made, then thr no.of .....

 आमा रुन्छौं आमा बनपाखामा, म शहरको माझमा दियो बाली सम्झँदै हौली, मलाई झम्के साँझमा। बनका माझ .....

Welcome! You understoot yourself! Good .....

=[cocC  sin(A+B) + sinC cosA cosB] / [ sinA sinB sinC] = [cocC  sinC + sinC cosA cosB] / [ sinA sinB sinC]  since, A + B = πc - C  . =[cocC  sinC + sinC cosA cosB] / [ sinA sinB sinC] take sinC and .....

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As we know, In any triangle, the largest side and largest angle are opposite one another. In any triangle, the smallestside and smallest angle are opposite one another. If two sides are .....

To find the value of x, we have to use the relation of angles in triangles. So, in triangle, DBC,  < DBC = 10o + 70o     , Using whole part axiom.              = 80o Again,  <DBC .....

Astronauts wear space clothes. Spacesuits are specially designed to protect astronauts from the cold, radiation and low pressure in space. They also provide air to breathe. Wearing a spacesuit allows an astronaut to survive and work in .....

If yes then, you will get energy from those .....

The types and the amount of food you eat play an important role in your daily energy levels.  The food that gives energy to do our work are energy giving food. These include: whole grain .....

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There are different types of verbs. Action Verbs : sing, dance, run, eat,....... State Verbs: is, seem, look, are, ........ Irregular Verbs: go-went-gone, do-did-done, eat-ate-eaten, .....

I bought a pen. It is .....

The words that modify or qualify nouns or pronouns are called Adjectives. They are also known as describing or descriptive .....

To prove this we need to take LHS and solve it to get RHS. 1 /cotA + 1 / [1 - tanA ]tanA = tanA + 1/[ tanA [ 1 - tanA] ={ tan2A [ 1 - tanA] + 1} / [ tanA [ 1 - tanA] Now simplify and change tan in to sin and cos. Simplify .....

Lets calculate the energy amount in boiling water and steam;

Energy in Boiling Water= Energy water .....

In this question,more than c.f. table is given. So we have to make that frequency table at frist. Lets do that.  x :         20 - 40        40 - 60               .....

Can you make a sentence for it? Try .....

Economic indicators measure how strong an economy of a country is. They can measure specific sectors of an economy, such as the housing or retail sector, or They give measurements of an economy as a whole, such as GDP or unemployment. Traders are .....

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