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melomori [17]
4 years ago
12

A circular picture is 8 inches in diameter.

Mathematics
2 answers:
svetlana [45]4 years ago
5 0
1) Area of a circle=πr²
r=radius

Data:
diameter=8 in
radius=diameter/2=8 in/2=4 in

Area of this circle=πr²=(4 in)²π=15 π in².

Answer;   C) 16π square inches.

B)
radius of the picture + the frame=4 in + 2 in=6 in

Area of this new circle (picture + frame)=π(6 in)²=36π in².

Answer: C. 36π square inches.

kolbaska11 [484]4 years ago
4 0
Part A: 

C

Part B:

C

Hope this simple answer helps!
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