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2 votes
Can someone help me out? :) The answer choices are:

A) 20.0
B) 21.2
C) 22.4
D) 23.6

Can someone help me out? :) The answer choices are: A) 20.0 B) 21.2 C) 22.4 D) 23.6-example-1
User Bmartin
by
8.3k points

2 Answers

3 votes

Answer:

Explanation:

Can someone help me out? :) The answer choices are: A) 20.0 B) 21.2 C) 22.4 D) 23.6-example-1
User AplusKminus
by
8.1k points
5 votes

Answer:

20.0

Explanation:

We can use the distance formula, d =
\sqrt{(x_(1)-x_(2)) ^(2) +(y_(1)-y_(2)) ^(2)} to find the length of three sides separately.

AB =
\sqrt{(-4+2) ^(2) +(1-3}) ^(2)} =
√(8)

BC =
\sqrt{(-2-3) ^(2) +(3+4) ^(2)} =
√(74)

CA =
\sqrt{(3+4) ^(2) +(-4-1) ^(2)} =
√(74)

Perimeter =
√(74) +
√(8) +
√(74) = 20.0330776588 units

User Dhiraj Thakur
by
7.7k points

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