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8 votes
Solve the problem for number 13.​

Solve the problem for number 13.​-example-1

2 Answers

6 votes

Answer:

if the shape is a triangle, just find the 3rd number and they should all add to 180 degrees.

User Achmed
by
3.5k points
11 votes

Answer:

m ∠Y = 39°

Explanation:

The sum of all angles in a triangle is 180°, so you just have to add m∠Z and m∠X, which will be 113 + 28 = 141. 180 - 141 = 39°

User Yasser AKBBACH
by
3.3k points