Answer:
1) v= 280 in^3 sa= 262 in^2
2) v= 80 in^3 sa= 120 in^2
3) v= 36 in^3 sa= 72 in^2
4) v= 240 in^3 sa= 252 in^2
Answer:
x = ¾-a
Step-by-step explanation:
x + a = ¾
Subtract a from each side
x + a -a= ¾-a
x = ¾-a
Answer:
$80
Step-by-step explanation:
4x/2=2x
7x-60
7x-60=2x*2
7x-60=4x
3x=60
x=20
20*4=80
We divide the total sum of the angles by 20

=18 sides