Answer: A = 108 ft²
Step-by-step explanation:
triangle 3-4-5 is a right triangle so if the base is 4, the height is 3.
Area will be two triangular bases, plus three sides
A = ½bh + ½bh + Lh + Lb + Lc
A = 2(½bh) + L(h + b + c)
A = 2(½(4)(3)) + 8(3 + 4 + 5)
A = 108 ft²
