# Unit 4 homework 3 Gina Wilson pls help w homework!

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## Question:

Unit 4 homework 3 Gina Wilson pls help w homework! Angles in a triangle may or may not be congruent.

1. Triangle STU

Triangle STU is an isosceles triangle.

So: This gives — sum of angles in a triangle

Substitute   Subtract 54 from both sides   and 2. Triangle LMN

Triangle LMN is an isosceles triangle.  — sum of angles in a triangle

Substitute   Subtract 28 from both sides   and 3. Triangle EFG — sum of angles in a triangle Subtract 46 from both sides The triangle is an isosceles triangle and 4. Triangle PQR

The triangle is an equilateral triangle Question 5

The triangle is an isosceles triangle. Collect like terms  Divide both sides by 6 Hence, the value of x is 4

Question 6   Divide both sides by 18 Hence, the value of x is 7

Question 7   Divide both sides by 3 Hence, the value of x is 16

Question 8

The triangle is an equilateral triangle. Subtract 8 from both sides Divide both sides by 4

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