Find the Area of a Circle. Don't forget to write the unit of measurement.
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Answer:
Step-by-step explanation:
formula = πr²
1.
given is a diameter so we divide it into 2 to get the radius
42÷2=21
= π (21)²
= π (441)
= 1385.44
2.
given is a diameter so we divide it into 2 to get the radius
22÷2=11
= π (11)²
= π (121)
=1520.53
3.
π (17)²
= π (289)
= 907.92
4.
π (91)²
= π (8281)
= 26015.53
5.
π (40)²
= π (1600)
= 5026.25
6.
π (44)²
= π (1936)
= 6082.12
7.
π (32)²
= π (1024)
= 3216.99
8.
given is a diameter so we divide it into 2 to get the radius
12.5÷2=6.25
π (6.25)²
= π (39.06)
= 122.72
I hope it helps :)