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BabaBlast [244]
3 years ago
10

If the label of a can of yams were cut off and laid flat, which expression would give the area, A, of the label with the measure

ments shown?
A.) A = π • r2 • h

B.) A = π • r • h

C.) A = 2 • π • r • h

D.) A = 2 • r • h
Mathematics
2 answers:
Arturiano [62]3 years ago
6 0
The correct answer is A = 2 x pi x r x h. So basically the answer is C. Hope I helped! :)
Mumz [18]3 years ago
4 0

Answer:

C.) A = 2 • π • r • h

Step-by-step explanation:

The distance around a circle is the circumference, and the formula for it is

C = 2πr.

Taking the label off of the can and stretching it out makes this distance around the circle the length of the rectangular label.

To find the area of a rectangle, we multiply length and width; we know the length is 2πr.  The width of the rectangle is the height of the can; this makes the area

A = 2πrh.

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