To calculate: The area of trapezoid ABEF if side AF is 2.

Answer to Problem 33RP
The area of trapezoid ABEF is
Explanation of Solution
Given information:
Side AF = 2,
P(ABEF )=70,
Formula used:
Area of trapezoid:
h = height of trapezoid.
Calculation:
If AF= 2, then CD = 2.
Two triangles are congruent by HL congruence rule.
If BC = DE = x , then
AB = FE = 2x
Perimeter is sum of all sides.
In
Height
Base 1 = 2
Base 2 = BC + CD + DE
Base 2
Area of Trapezoid:
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