Just add up the lengths of the four sides, and you have the perimeter.
The perimeter is:
(4x-7)*2 + (10x^2+4x-2)*2 =
8x-14 + 20x^2+8x-4 =
20x^2 + 16x - 18
3*(18-13)
3* 5
15
The answer is 15
Answer:
theirs is no answer choices
Answer:
12.22
Step-by-step explanation:
