Question

100 POINTS!

A shape has vertices A(1, 1), B(1, 3), C(5, 3), and D(5, 1). Find the AREA of the shape.

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Answer 1

Area = 8 sq units

Explanation:

Given vertices:

(1, 1),(1, 3),(5, 3),(5, 1)

To figure out area graph the vertices and count how many units are inside.

8 sq units

So 8 sq units is the area.

Area = 8 sq units

Answer 2

d=√((x2-x1)²+(y2-y1)²)

Using above formula,

AB= 2

BC = 4

CD = 2

AB= 4

A = l×b = 2×4 = 8 sq unit