Question

Two angles of triangle are of measures 30°and 70° respectively. Find the third angle

Answer 1

Step-by-step explanation:

wr know that

let third angle x

sum of all the angle of a triangle =180

30 + 70 + x =180

100 + x =180

x =180 - 100

x =80

thitd angle =80

Answer 2

Answer:

80°

Step-by-step explanation:

We know that sum of three angle is 180°

so let the 3rd angle be x

so 30+70+x=180

=>100+x=180

=>x=180-100

=>x=80°

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