if the area of semicircular region is 77cm2 find its perimerte
Answers
Answered by
2
Hi!
So, the area is given 77 cm^2
so, pi r^2/2 = 77
pi r^2 = 154
we have to find pi r
pi r = root 154
= 12.4
circumference= 12.4 cm
So, the area is given 77 cm^2
so, pi r^2/2 = 77
pi r^2 = 154
we have to find pi r
pi r = root 154
= 12.4
circumference= 12.4 cm
Answered by
1
Answer:
Step-by-step explanation:
Attachments:
Similar questions