Question

Estimate the length of the radius, if the area of a circle is 75 mm2.

Answer 1

area is pir^2
so
\[pir^2=75\]
\[r^2=75/\pi\]
\[r^2=23.87\]
\[r=4.88mm\]

Answer 2

pi r^2=75mm^@
r^2=75/3.142
r^2=23.87
r=under root 23.87
r=4.88 mm

Answer 3

@sami-21 : how do you write in this style can u please tell me...:)

Answer 4

@Qibtiya use the equation at the bottom of answer box

Answer 5

@sami-21 i do but it does not turn out correct

Answer 6

just matter of time you will get use to to it .