2 years ago

Triangle ABC is isosceles.

Mathematics

2 answers:

forsale [732]2 years ago

8 0

Answer:

the answer is 75° on edg 2020

Step-by-step explanation:

lana66690 [7]2 years ago

3 0

Answer: 75°

Step-by-step explanation:

Using the Base Angles Theorem, we can conclude that <ABC and <ACB are congruent. The angles of a triangle add up to 180 degrees so we can write this equation to solve for x:

x + 5 + 3x + 3x = 180

simplify

7x + 5 = 180

subtract 5 from both sides

7x = 175

divide each side by 7

x = 25

plug 25 in for x to find the angle measure

3(25) = 75

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