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Fantom [35]
3 years ago
6

Find the are of a circle with a diamtere of 8 cm. use 3.14 and round to your nearest hundredth

Mathematics
2 answers:
gregori [183]3 years ago
8 0

Step-by-step explanation:

step 1. the area of a circle is A. A = (pi)r^2.

step 2. if the diameter is 8 cm then the radius is 4 cm.

step 3. A = (pi)4^2

step 4. A = 16(pi) = 50.24 cm.

Natali [406]3 years ago
5 0

Answer:

Step-by-step explanation:

A=\pir^{2}                            Diamter is half the radius so the radius is 4

A= 3.14 times 4^{2}                       4^{2}= 16

A= 3.14 times 16

A=50.24

rounded answer will be 50.2

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