Answer:
900
Step-by-step explanation:
(n – 2)180 where n is the number of sides
since this is a 7 sided polygon
(7-2) * 180
5 * 180
900
Answer:
h = 
Step-by-step explanation:
Given
V = Bh ( isolate h by dividing both sides by B )
= h
Thats either 7/5 or 1 2/5 but since theres a whole number i think its 1 2/5
Answer:
x = 24
Step-by-step explanation:
18 + 0.5x = 12 +0.75 x
18 - 12 = 0.75 x - 0.5x
6 = 0.25 x
24 = x