Question

100 POINTS!

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

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Answer 1

Answer: 12

Explanation:

Equation for perimeter

`P=2(l+w)\\2(2+4)\\12`

Answer 2

d=√((x2-x1)²+(y2-y1)²)

Using above formula

AB= 2

BC= 4

CD = 2

AD = 4

PERIMETER = AB+BC+CD+AD = 2+4+2+4= 12 units