38.1k views
21 votes
Please help, Good 15 pt reward.

Please help, Good 15 pt reward.-example-1
User Bensal
by
8.0k points

2 Answers

4 votes

Answer:

P ≈ 25 units

Explanation:

LM = 12 units ( horizontal line )

use the distance formula to find length of other 2 sides.

d =
\sqrt{(x_(2)-x_(1))^2+(y_(2)-y_(1))^2 }

with (x₁, y₁ ) = L (- 3, 2) and (x₂, y₂ ) = M (3, 5 )

LM =
√(3-(-3))^2+(5-2)^2)

=
√((3+3)^2+3^2)

=
√(6^2+9)

=
√(36+9)

=
√(45)

Repeat with (x₁, y₁ ) = M (3, 5) and (x₂, y₂ ) = N (9, 2)

MN =
√((9-3)^2+(2-5)^2)

=
√(6^2+(-3)^2)

=
√(36+9)

=
√(45)

Then perimeter P is the sum of the 3 sides

P = 12 +
√(45) +
√(45) = 12 + 2
√(45) ≈ 25 units ( to the nearest unit )

User Mahdi Ataollahi
by
8.2k points
3 votes

Answer:

how is annyone going to know that?

Explanation:

User Mrueg
by
7.3k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories