Answer:
Step-by-step explanation:
(6 gal)/(4/7 fence) = (21/2 gal)/fence = (10.5 gal)/fence
The answer for number 4 is 13 and number 6 is 121 and the last problem for number 7 is 112
Vertex angle = x
1 base angle = 1/2x - 8
180-x = (1/2x-8)x2
180-x = x-16
196-x = x
196 = 2x
x=98
If you want explanation please ask me .
