Answer:
500 square units
Step-by-step explanation:
I am pretty sure I am correct
You have to add and divide for the mean(average) so add all of them up and then divide by 3 :)
Answer:
solution
by using pythagorus theorem
h^2 =p^2 +b^2
- 10^2 = p^2 +under root 82 square
<h2>therefore p is equal to </h2>

sine E =p/h
=

The answer would be 120 hope this helps!!