Answer:
Step-by-step explanation:
base x height divided by 2
4x3=12
12 divided by 2 = 6
6x5= 30
Here it is. You can also use the quadratic equation to find the answer.
area
Here is question 3
3) A 90 degree algebra.
= 8d+(20)(2.718282)
=8d+54.365637