## To the nearest tenth, find the perimeter of ∆ABC with vertices A(-1,4), B(-2,1) and C(2,1). Show your work

Question

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## Answers ( No )

ANSWER

The perimeter is 11.4 units

EXPLANATION

Perimeter is the distance around the figure.

We use the distance formula,

to determine the length of all the sides and add them.

Therefore perimeter=

=

= units

The perimeter of ∆ABC = 11.4 units