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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)
  1. 5 March, 01:33
    0
    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
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