Answer:
C. 4x squared -36
Step-by-step explanation:
Answer:
3240°
Step-by-step explanation:
For a regular icosagon,
sum of interior angles measure=180(n-2)°
180(20-2)
180(18)=3240°
1) 38cm
2) 2304cm^2
3) 64cm^2
To find the area you multiply the sides
To find the perimeter you add the sides
The answer is C.
The expression is telling you to multiply the parenthesis times four. When you multply two numbers,
, it means that you're considering
"copies" of
, or if you prefer,
repeated
times.
So, you have
<- this is twice as much as the parenthesis
<- this is three times as much as the parenthesis
<- this is four times as much as the parenthesis
7.2 is the answer i hope that helps!!!!!!!!!!!