Find the circumference of a circular disk whose area is 900π cm².
Answers
Answered by
2
Step-by-step explanation:
A = π R² , where R is the radius of the disk
Area A = 900π
π R² = 900π
R² = 900
R = 30 cm
CIRCUMFERENCE
= 2 π R
= 60 π cm
Answered by
5
A = π R²
- where R is the radius of the disk
Area A = 900π
π R² = 900π
R² = 900
R = 30 cm
CIRCUMFERENCE
2 π R
60 π or 188.4 cm
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