The diagonal of a square is 10 cm. What is the length (in cm) of its side?1). 52). $5\sqrt{2}$3). $10\sqrt{2}$4). $\frac{5}{\sqrt{2}}$
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1. A rectangle has same area as total surface area of a cube with side length 8 cm. The perimeter of rectangle is 80 cm. Find the length of diagonal of the rectangle. (in cm)
2. IF area of an equilateral triangle is a and height b,then value of $\frac{b^{2}}{a}$ is:
3. Perimeter of a rhombus is 2p unit and sum of length of diagonals is m unit, then area of the rhombus is
4. The curved surface area and the total surface area of a cylinder are in the ratio 1 : 2. If the total surface area of the right cylinder is 616 cm2, then its volume is :
5. The in-radius of a triangle is 6 cm, and the sum of the lengths of its sides is 50 cm. The area of the triangle (in square cm.) is
6. If the diameter of a hemisphere is 21 cm, then what is the volume (in cu.cm) of hemisphere?
7. A cube of edge 5 cm is cut into cubes each of edge of 1 cm. The ratio of the total surface one of the small cubes toinat of the large cube is equal to :
8. The base area of a right pyramid is 57 sq. units and height is 10 units. Then the volume of the pyramid is
9. If the radius of a sphere be doubled, the area of its surface will become
10. Let A be the area of a square whose each side is 10 cm. Let B be the area of a square whose diagonals are 14 cm each. Then (A - B) is equal to
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