KawaiiKay1
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A circular picture is 8 inches in diameter.


Part A
What is the area of the picture in square inches?

A. 4π square inches
B. 8π square inches
C. 16π square inches
D. 32π square inches

Part B
A frame that is 2 inches wide surrounds the picture. What is the total area of the picture and the frame in square inches?

A. 4π square inches
B. 12π square inches
C. 36π square inches
D. 40π square inches

Respuesta :

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.

ChanceTheRapperLtd
Part A: 

C

Part B:

C

Hope this simple answer helps!

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