Question

1. The backdrop of the altar in a church is triangular in shape. It has a base of 10.5 meters

Answer 1

Answer:

#1

Area of triangle backdrop:

• A = 1/2bh = 1/2(10.5)(8.5) = 44.63 m²

Area of the cloth:

• A = 4.5*4 = 18 m²

Uncovered area:

• 44.63  - 18 = 26.63 m²

Choice A

#2

Area of the cut piece:

• A = πr² = 3.14*7.6² = 181.37 cm²

Area of the square piece:

• A= a² = 34² = 1156 cm²

Remaining piece is:

• 1156 - 181.37 = 974.63 cm²

Choice B