## Class IX-X Tuition Lessons

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Akshita Mishra | 7 hrs ago

It's a theorem to find a side of triangle when two of its sides are given. The theorem implies that in a right angled triangle, the square of hypotenuse is equal to sum of squares of each of the other two sides. The formula is useful in many applications dealing with triangles. It can also be used to find length of diagonals in a square, rectangle, pentagon, etc.

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Preeti Khalko | 2 days ago

Yes.

Ashish Kumar | 9 hrs ago

Yes

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Shyamala Bhaskar | 03 Jan

Rs. 400 is enough.

Modi Anita P | 5 days ago

You should take Rs 200 per hr but teaching shall be min 2 hr.

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Vivek Kumar | 2 days ago

Water is the only liquid that becomes less dense as a solid. Density refers to the mass of a material per unit of volume, and density does change along with temperature. Even though the mass remains constant, the space or volume that it takes up also changes with temperature. As temperatures go up, so does the vibration of the material's molecules, leading to this drop in density. If someone sets ice in water or leaves it exposed to air, it starts melting sooner in the water, assuming that the water and air both have identical temperatures. The liquid water has molecules more tightly packed than those in the air, giving a higher level of contact with the ice and a swifter heat transfer rate. Add that to the fact that liquid water has a higher rate of heat transfer, and the explanation becomes clear.

Akshita Mishra | 7 hrs ago

When water is freezed, the molecules of water form a structure such that the the volume occupied is increased. Density is mass upon volume. Now please note that mass of the water remains constant. Form formula of density and the knowledge of constant mass, we deduce that density is inversely proprtional to volume. Therefore, as the volume of water in it's solid form increases, its density decreases. Hence, ice floats of water as we know the lower density fluid floats over higher density fluid.

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Raju Porandla | 06 Jan

Mean, Median and Mode.

Neera Sharma | 4 days ago

The most common measures of central tendency are the arithmetic mean, the median and the mode.

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Ashish Kumar | 9 hrs ago

In a right angle triangle, the sum of square of two sides is equal to the third side, third side is also called as hypotenuse.