Well u do 31.2 x 18 which is 561.6 then u divide by 2 because the formula for a triangle is base x height divided by 2 so It is 280.8
Answer:
d
Step-by-step explanation:
If:
the base length is 7
the base width is 3
the height is 3
Then the Surface Area will be about 58.31 ft^2
Hope this helps ;)
Answer: is that the full question?
Step-by-step explanation: