Question

Top surface of an umbrella look like regular octagon as shown in the figure below find the area

Answer 1

Answer:

Area of figure = 5,095 cm²

Step-by-step explanation:

Given:

Two trapezium

One rectangle

Find:

Area of figure

Computation:

Area of figure = Area of rectangle + Area of 2 trapezium

Area of figure = [L x B] + 2[(1/2)(Sum of parallel side)(Height)]

Area of figure = [118 x 15] + 2[(1/2)(118+15)(25)]

Area of figure = 1,770 + 3,325

Area of figure = 5,095 cm²