A (-4, 2), B (3, 2), C (3, - 5), and D (-4, - 2)

Calculate the area of the polygon.

28 units squared

38.5 units squared

40.5 units squared

49 units squared

Question

Mathematics

Mercedes Mcneil

4 March, 22:00

A (-4, 2), B (3, 2), C (3, - 5), and D (-4, - 2)

Calculate the area of the polygon.

28 units squared

38.5 units squared

40.5 units squared

49 units squared

+4

Answers (1)

Know the Answer?

Ricardo Oconnell · Answer 1

If we let the width 3--4=7 be the height of a trapezoid, the the bases will be the heights, delta y, on each side ...

b1=2--2=4, b2=2--5=7

Since the area of a trapezoid is:

A=h (b1+b2) / 2 we have:

A=7 (4+7) / 2

A=38.5 u^2

A (-4, 2), B (3, 2), C (3, - 5), and D (-4, - 2)Calculate the area of the polygon.28 units squared38.5 units squared40.5 units squared49 units squared

A (-4, 2), B (3, 2), C (3, - 5), and D (-4, - 2)

Calculate the area of the polygon.

28 units squared

38.5 units squared

40.5 units squared

49 units squared