For this case we have that the area of a circle is given by:

Where:
r: It is the radius of the circle
By clearing the radio we have:

We take the positive value:

The diameter is twice the radius:

Answer:

282
Step-by-step explanation:
C=180-112=68
A=180-68-51=61
sum of exterior angles=112+119+51=282
Answer:

Step-by-step explanation:
U don't have enough information to answer the question because u need to know how much the gas is per gallon
This is a volume question. 8x8x8, 512 cubic inches of water.