1.

A wheel of radius 30 cm, climbing over a ramp, rotates through an angle of 72∘ to cover 118th of the ramp. If the ramp is 30∘ inclined to the ground, what is the height of the ramp (in cm)?

Answer»

A wheel of radius 30 cm, climbing over a ramp, rotates through an angle of 72∘ to cover 118th of the ramp. If the ramp is 30∘ inclined to the ground, what is the height of the ramp (in cm)?



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