find radius and diameter of circle that has area of 154cm
Answers
Answered by
2
Answer:
Radius=7 Diameter=14
Step-by-step explanation:
Area of circle = 154cm2
πr^2= 154
r^2=154/π
r^2=154×7/22
r^2=49
r=7cm
therefore diameter=14
Answered by
2
Answer:
Radius=7 cm
Diameter=14 cm
Step-by-step explanation:
Area=pi×r²
154=22/7×r²
154×7/22=r²=49
r=√49=7 cm
Radius=7 cm
Diameter=2×7=14 cm
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