If each unit is equivalent to 1 square inch, how many square inches of matting are used? A. 32 sq. Inches B. 36 square inches C. 40 square inches or D. 72 square inches

B. 36 square inches

Step-by-step explanation:

we know that

The area of the mat is equal to the area of the rectangle containing a mat and a picture minus the area of the picture

The area of the picture is equal to the area of two trapezoids plus the area of the central rectangle

step 1

Find the area of the rectangle containing a mat and a picture

step 2

Find the area of the picture (two trapezoids plus the area of the central rectangle)

step 3

Subtract the areas

answer: f true

step-by-step explanation:

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.