Question

A water sprinkler in a lawn sprays water as far as 70 m in all directions. Find the length of the outer edge of wet grass.

Answer 1

Given :-

A water sprinkler in a lawn sprays water as far as 70 m in all directions.

To find :-

Find the length of the outer edge of wet grass.

Solution :-

It sprays water in all directions,i.e.,70 m.

This is only possible if it sprays in a circular region.

Thus, the radius of the circle is 70 m.

Circumference of circle = 2πr = 2×22/7×70 = 440 m

.°. The length of the outer edge of wet grass is 440m.

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Step-by-step explanation: