Question

(1) Write a note on advantage of using a solar cooker?​

Answer 1

a device that utilize solar energy for cooking for purpose is called solar cooker.

It is pollution free.

It helps to cook food.

The food which is cooked in solar cooker is nutrition

Explanation:

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Answer 2

Adding 12 to the circle area is equal to the square area.

Or

s2 = 12 + A

Where

s = side of square

A = area of circle

So

s2 = 12 + 36

s2 = 48

Solve this for s to get the side length