Answer:
this triangle is ABC with A(-2 ; -3), B(4; - 3) and C(3;5)
=>
using Heron theorem, we have:
with S is the area of the triangle
Step-by-step explanation:
800 = l(w)
120 = 2l + 2w
800 = 20(40)
120 = 2(40) + 2(20)
40(6)=240
20(6)=120
P=2(240) + 2(120)
P=480+240
P=720
Answer: Perimeter is 720ft
Answer: 19 m
Step-by-step explanation:
I'm assuming you mean
Write the 2 as a fraction 2/1 and multiply.