Question

What is the formula of are of semi-circle ?

Answer 1

Hey mate

Here to help you

You are looking for area of semicircle

As you know semi refers to half

Which implies that it is half of the circle

Then obviously its area will be half of that of circle

Area of circle= πr²

Then area of semicircle =πr²/2

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Answer 2

HEY MATE!!! ❤❤HERE'S UR ANSWER!!! ❤❤

STEPS TO HELP U FIND THE AREA OF A SEMI CIRCLE::

IF THE RADIUS OF A SEMI-CIRCLE IS 9FT. WHAT IS THE AREA.

We know that the area of a circle is:

area of a circle = r2

A semi-circle is half of a circle. Therefore the area of a semi-circle will be:

AREA OF SEMI CIRCLE = 1/2r2

We know that the radius is 9ft. Pi is approximately 3.14 or 22/7.




HOPE THIS HELPS YOU!!! ❤❤❤