Question

Find the surface area of the figure below. The triangle is an equilateral triangle.

330

321.5

115

307.5

Answer 1

Surface area = Ph + 2B

P : Perimeter of base
B : Area of base

Answer 2

Start wid finding P, Perimeter of base

Answer 3

Then multiply P with 4.3(h), multiply B by 2, then add the two answers together

Answer 4

find areas of 2 equilateral triangles and 3 similar rectangles and add them

Answer 5

Area of one Equilateral Triangle = 0.5* (4.3*5)
Area of one Rectangle = 20*5

Answer 6

Ans is 321.5