18 x 20 = 360
360 / 20 = 18
So 18 is the answer
I hope this helps you
x^2/3 [x^2/3.x^-1/4)^6.1/3.2
x^2/3[x^8-3/12]^4
x^2/3 [x^5/12]^4
x^2/3.x^5/12.4
x^2/3.x^5/3
x^2+5/3
x^7/3
A= πr2
d=10m
2r=d
2r=10
r=5
A= π•5^2
A=3.14 •25
A=78.5 m^2
We have on the top of the figure one semircle, on the bottom of the figure another semicircle, to the left of the figure a line segment, and to the right of the figure another line segment, then we have a total of two semicircles and two line segments.
Answer: Fourth option: two semicircles and two line segments