Question

Help with maths HW please I'm dyinnnnnnggggg

Answer 1

I plugged the numbers into a triangle area calculator, which solved it this way: $A= \frac{h_{b} b}{2}= \frac{80}{2} =40$, then i multiplied it by 3 to scale it, and came up with 120 or A

Answer 2

It is 360, tell me if you dont know why