Question #33ab1

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Answer 1 · 2017-11-10T12:18:04

The third angle is $70$ $70$ degrees.

The sum of the three interior angles of a triangle is $180$ $180$ degrees.

The first angle is $\to$ $->$ $35$ $35$ degrees.

The second angle is $\to$ $->$ $75$ $75$ degrees.

Let the third angle be $x$ $x$ degrees.

So,

$35 + 75 + x = 180$ $35+75+x=180$

$110 + x = 180$ $110+x=180$

Subtract $110$ $110$ from both sides.

$x + 110 - 110 = 180 - 110$ $x+110-color(red)110=180-color(red)110$

$x = 70$ $x=70$

Therefore the third angle is $70$ $70$ degrees.