Question

question given in photo...​

Answer 1

Perimeter of semi circle = 2πr/2 = πr

Given that :

Half of the area of the semi circle is filled with water.

Which means quarter circle is filled with water.

Perimeter of quarter circle = πr/2

{Since quarter circle is half of semi circle.}

• Therefore

Part filled with water is

$\fbox \red{\boxed {\frac{22r}{14}}}$

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I HOPE IT HELPS.

Answer 2

Answer:

evaluating 2 to the power 7

2 into 2 into 2 into 2 into 2 into 2 into 2 into 2