Answer:
Sorry man I could answer it I could find the step
But I hope you have good look on this!
But if You are using trygonometry here
a
,
4
m 3
,
16
m
2,
20
m
2
Divide: 1
4
: 9
10
= 1
4
· 10
9
= 1 · 10
4 · 9
= 10
36
= 5
18
To divide one fraction by another, invert (turn upside-down) the second fraction, then multiply.
The radius is 5cm
Step-by-step explanation:
The surface area of a sphere is given by:

Here
Given
SA = 100π cm^2
Putting the values in the formula

Taking square root on both sides

The radius is 5cm
Keywords: Surface area, Radius
Learn more about surface area of sphere at:
#LearnwithBrainly
Answer:
y=sin(°/3) means that y equals the sine of a given degree divided by 3.