Question

The interior angles of a triangle are 42°,56° and 2x°. Find the value of x.

Answer 1

X=41°

`solution \\ 42 + 56 + 2x = 180(sum \: of \: angle \: in \: triangle) \\ or \: 98 + 2x = 180 \\ or \: 2x = 180 - 98 \\ or \: 2x = 82 \\ or \: x = (82)/(2) \\ x = 41`

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Answer 2

41 degrees

Explanation:

Since the sum of the interior angles of a triangle will always be 180 degrees:

42+56+2x=180

2x=82

x=41

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