Question

10 POINTS! HELP!!

Find the perimeter and area of the figure. Round to the nearest tenth if necessary.

Answer 1

B is correct.

Explanation:

Answer 2

B

Explanation:

The perimeter is the sum of the 3 sides. thus

perimeter = 12 + 12 + 9.7 = 33.7 mm

The area (A) of a triangle is calculated as

A = 0.5 × base × perpendicular height

Here base = 12 and height = 9

A = 0.5 × 12 × 9 = 6 × 9 = 54 mm²