MEASURING ANGLES OF TRIANGLES WORKSHEET

Find the Angle Measures of Triangle Using Ratios

Problem 1 :

The ratio of the angle measures of a triangle is 1: 1: 1. Find the angle measures. Then classify the triangle by its angle measures.

Solution

Problem 2 :

The ratio of the angle measures in a triangle is 6 : 5 : 4. Find the angle measures. Then classify the triangle by its angle measures.

Solution

Problem 3 :

The ratio of the angle measures of a triangle is 7 : 16 : 22. Find the angle measures. Then classify the triangle by its angle measures.

Solution

Find the value of x in Each Triangle 

Problem 4 :

Solution

Problem 5 :

Solution

Problem 6 :

Solution

Problem 7 :

Solution

Problem 8 :

Solution

Problem 9 :

Solution

Problem 10 :

Solution

Problem 11 :

Solution

Problem 12 :

Solution

Answers :

1)  60˚, 60˚, 60˚ (Acute)

2)  72˚, 60˚, 48˚ (Acute)

3)  28°, 64°, 88° (Acute)

4)  60˚, 60˚, 60˚ (Acute)

5)  80˚, 80˚, 20˚ (Acute)

6)  65˚, 90˚, 25˚ (Right)

7)  42˚, 92˚, 46˚ (Obtuse)

8)  60˚, 60˚, 60˚ (Acute)

9)  49˚, 90˚, 41˚ (Right)

10)  120˚, 23˚, 37˚ (Obtuse)

11)  66˚, 33˚, 81˚ (Acute)

12)  78˚, 63˚, 39˚ (Acute)

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