Question

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Answer 1

Answer:

•11.) Area = 29cm ²

•12.) Circumference = 131.95cm

•13.)Area of triangle = 12.6cm²

•14.)It may be noted that in one revolution, the cycle covers a distance equal to the circumference of the wheel.

Given the diameter of the wheel = 63 cm We know that circumference of the wheel = π d = 227 x 63 = 198 cm.

Thus, the cycle covers 198 cm in one revolution. Therefore the distance covered by the cycle in 1000 revolutions = (198 x 1000) = 198000 cm = 1980 m.

Answer is 1980,m

•15.)Area of circle = 615.75cm²