The perimeter of a rhombus is 68 cm and one of its diagonals is 16 cm. Find its area?
4a = 68 => a = 17
172 - 82 = 152
1/2 $\times$ 16 $\times$ 30 = 240
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The area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is? |
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The side of a square is increased by 25% then how much % does its area increases? |
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The cross-section of a cannel is a trapezium in shape. If the cannel is 10 m wide at the top and 6 m wide at the bottom and the area of cross-section is 640 sq m, the depth of cannel is? |
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The radius of a circle is increased by 1%. Find how much % does its area increases? |
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Find the area of the quadrilateral of one of its diagonals is 20 cm and its off sets 9 cm and 6 cm? |
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Find the area of circle whose radius is 7m? |
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If the area of circle is 616 sq cm then its circumference? |
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Find the cost of fencing around a circular field of diameter 28 m at the rate of Rs.1.50 a meter? |
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The radius of a circular wheel is 1.75 m, how many revolutions will it make in traveling 1 km? |
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If the wheel is 14 cm then the number of revolutions to cover a distance of 1056 cm is? |
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