Find the radius and diameter of a circle that has an area of 154cm
Answers
Answered by
7
pai r2=154
or, r2=154×7/22
=49
or, r=7
the radious is 7 cm and daimeter is 7×2=14cm
i hope it helps you.
or, r2=154×7/22
=49
or, r=7
the radious is 7 cm and daimeter is 7×2=14cm
i hope it helps you.
Answered by
2
Answer: r=7
d=14
Step-by-step explanation: Area of a circle=\pi r^2
154=\pi r^2
154=22/7 r^2
154x7/22=r^2
1078/22=r^2
49=r^2
r =root of 49
r=7
d=2r
d=2x7
d=14
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