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Vesna [10]
4 years ago
8

HELP ME PLAES JUST PLEASE AND THANK YOU

Mathematics
2 answers:
Tasya [4]4 years ago
5 0

Answer:

If that were a FULL circle then the area is PI * radius^2=

3.14159265 * 4 * 4 = 50.2654824

Since that is a semi-circle then the area is half of that or 25.1327412

Step-by-step explanation:

kompoz [17]4 years ago
4 0

Answer:

25.12 units^2

Step-by-step explanation:

The area of a semicircle is 1/2 the area of a full circle. The area of a full circle is pi*r^2, so the area of a semicircle is 1/2*pi*r^2.

1/2*(3.14)*4^2=0.5*3.14*16=25.12

Therefore, 25.12 units^2

I hope this helped and have a good rest of your day!

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