Recent questions tagged chapter11

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Most of the sailboats have two sails, the jib and the mainsail. Assume that the sails are triangles. Find the total area of each sail of the sail boats to the nearest tenth.

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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The area of a trapezium with equal non-parallel sides is 168 `m^2`. If the lengths of the parallel sides are 36 m and 20 m, find the length of the non-parallel

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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Mukesh walks around a circular track of radius 14 m with a speed of 4 km/hr. If he takes 20 rounds of the track, for how long does he

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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The areas of two circles are in the ratio 49:64. Find the ratio of their

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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There is a circular pond and a footpath runs along its boundary. A person walks around it, exactly once keeping close to the edge. If his step is 66 cm long and he takes exactly 400 steps to go around the pond, find the diameter of the

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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A running track has 2 semicircular ends of radius 63 m and two straight lengths. The perimeter of the track is 1000 m. Find each straight

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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Find the perimeter of the given figure.

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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A bicycle wheel makes 500 revolutions in moving 1 km. Find the diameter of the

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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A boy is cycling such that the wheels of the cycle are making 140 revolutions per hour. If the diameter of the wheel is 60 cm, calculate the speed in km/h with which the boy is

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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Find the length of the largest pole that can be placed in a room of dimensions `12 m xx 4 m xx 3 m`. Find the area of the following fields. All dimensions are in

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Find the area of the shaded portion in the following

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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Find the area of the shaded portion in the following

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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