A circle formed by bending a wire has area 1386 cm2.If the same wire is bent to form a square then what is the area of square?1). 1089cm22). 946 cm23). 954 cm24). 864 cm2
A.1089 cm2
Is the answer!!!!!!!!!!!!!!
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1. The area of a trapezium is 30 cm² and the distance between its parallel sides is 4 cm. If one of the parallel sides is of length 0.1 m, find the length of the other parallel side.
2. The base of a right prism is an equilateral triangle of side 8 cm and height of the prism is 10 cm. Then the volume of the prism is
3. The heights of a cone and a cylinder are equal. The radii of their bases are in the ratio 2 : 1. The ratio of their volumes is:
4. Radius of cross section of a solid right circular cylindrical rod is 3.2 dm. The rod is melted and 44 equal solid cubes of side 8 cm are formed. The length of the rod is (Take Π = 22/7)
5. The diameter of a wheel is 98 cm. The number of revolutlona in which it will have to cover a distance of 1540 m is
6. Curved surface area of a cylinder is 440 sq cm. If circumference of its base is 44 cm, what is the volume of the cylinder? (Take π = 22/7)
7. The area of a square field is 24200 sq m. How long will a gentleman take to cross the field diagonally at the rate of 4.4 km/h?
8. Diameter of a wheel is 3 cm. The wheel revolves 28 times in a minute. To cover 5,280 km distance, the wheel will take (Take $\pi$ = $\frac{22}{7}$):
9. From four comers of a square sheet of side 4 cm, four pieces, each in the shape of arc of a circle with radius 2 cm, are cut out. The area of the remaining portion is :
10. If the area of a triangle with base 12 cm is equal to the area of a square with side 12 cm, the altitude of the triangle will be
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