Work out the perimeter of a semicircle with radius 3cm.

give your answer in terms of pi​

None.

Step-by-step explanation:

The fact that you don't know how to solve this means you haven't studied. At all.

But, I'll give you some hints:

1. The perimeter of a semicircle is half the perimeter (or length) of the circle.

2. The length of a circle is given by the formula

only 10/60 isn't equivalent

hope this : )

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94