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2 years ago

I need some help quick:(

Mathematics

2 answers:

wel2 years ago

5 0

The answer is 20 degrees, because a straight line is equal to 180 degree, and when you add 90 degree to 70 degrees, you'll get 160 degree, and then, when you subtract 160 from 180, you'll get 20 degree

Hope this helps :)

Fynjy0 [20]2 years ago

3 0

The answer is C because that's is a 90 degree angle. So you just subtract 70 from 90.

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❥ $\Large\pmb{ \underline {\tt Answer}}$

So we can only find x if other two angles of triangle is given.

In angle B as u can see boxed shape angle is there then it probably means it's a 90° angle.

We know sum of angles of triangle = 180°

{Reson :-

There's a formula to fund sum of angles of figure

(n-2) × 180
(3 -2) × 180
1 × 180
180°

}

Now Let's proceed

$\boxed{ \rm Side_1+Side_2+Side_3 = 180\degree}$

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$\dashrightarrow \tt 90 \degree + 55 \degree + c = 180 \degree$

$\\ \\$

$\dashrightarrow \tt 145\degree + c = 180 \degree$

$\\ \\$

$\dashrightarrow \tt c = 180 \degree - 145\degree$

$\\ \\$

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$\\ \\$

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