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ipn [44]
4 years ago
8

Pls help !!

Mathematics
2 answers:
alukav5142 [94]4 years ago
8 0

Answer:

<h2>1.  A = 78.5 in² </h2><h2>2. C = 31.4 in </h2>

Step-by-step explanation

1. area of a circle = πr²

2. circumference of a circle = 2πr

where diameter = 10 in.

                radius = 10 / 2 = 5 in

1. area of a circle = π(5)²

                            = 78.5 in²

2. circumference of a circle = 2πr

                                              = 2π(5)

                                             = 31.4 in

olga55 [171]4 years ago
7 0

Area of circle= πr² so, our radius would be 5in because the diameter is 10 in which makes our sum to be π×5²= 78.5 in

Circumference of circle= 2πr so, 2×5×π= 31.4 in

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