1. Find the missing angle for each triangle.

2. Which triangles are similar (Hint: Angle-Angle Criterion)?

1 Find the missing angle for each triangle 2 Which triangles are similar Hint AngleAngle Criterion class=

Respuesta :

Answer:

1: 42-degrees, 69-degrees, 64-degrees, 53-degrees

2: first triangle and last triangle are similar while the other two are similar to each other

Step-by-step explanation:

1: 85 + 53 + x= = 180

138 + x = 180

x = 42

2: 47 + 64 + x = 180

111 + x = 180

x = 69

3: 47 + 69 + x = 180

116 + x = 180

x = 64

4: 85 + 42 + x = 180

127 + x = 180

x = 53

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