Question

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Answer 1

given,

angles of triangle= 42°, 20° , x(let)

we know,

The sum of interior angles of triangle is 180°

so,

42°+20°+x=180°

62°+x=180°

X=180°-62°

X= 118°

Hence,the other angle is 118°

Answer 2

Answer: 118 degrees

Explanation:

Angles in a triangle add up to 180 degrees.

So...

180 - (42+20) = 118 degrees