Question

Which equation can be used to calculate the area of the shaded triangle in the figure below?

4 ft
12 ft
(4 points)
2(12 x 4) = 96 square feet
Oa
Ob
1
2 (12 x 4) = 24 square feet
2(12 + 4) = 32 square feet
d
1
2 (4 + 12) = 8 square feet

92 POINTS

Answer 1

• b. 1/2(12x4) = 24 square feet

Explanation:

Using rectangle area formula and considering half of it as shaded:

• A = 1/2bh

Given

• b = 12 feet, h = 4 feet

The area is:

• 1/2*12*4 = 24 square feet

Correct option is b.