Question

Find the measure of third angle when two angles are given:-

a. 115°, 35°
b. 60°, 40°
c. 42°, 80°

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Answer 1

Answer:

a.30°

b.80°

c.58°

The sum of all three angles in a triangle is 180°.

Answer 2

Answer:

A) 115+35+x = 180

150+x = 180

x= 180-150

30

B) 60+40+x=180

100+ x= 180

x=180-100

80

C) 42+80+x=180

122 +x= 180

x= 180-122

you can do yourself