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liberstina [14]
3 years ago
7

OA) 30° O B) 60° D) 50° OC) 90°

Mathematics
2 answers:
professor190 [17]3 years ago
5 0

The three inside angles of a triangle need to equal 180 degrees.

You are given the bottom two angles.

75 + 75 = 150

WYZ = 180 - 150 = 30

The answer is 30 degrees.

marissa [1.9K]3 years ago
3 0

Answer:

A

Step-by-step explanation:

We know that the sum of interior angles in a triangle is 180°. Looking at ΔWYZ, we can write:

? + 75 + 75 = 180

? + 150 = 180

? = 30°

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