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3 years ago

Help, need the unknown angle

Mathematics

2 answers:

dsp733 years ago

6 0

Answer:

$110° = x$

Step-by-step explanation:

According to the Exterior Angles Theorem, which states that the external angle measurement of a triangle is greater than any of the distant internal angle measurements, the <em>remote interior angles</em> and the exterior angle are OPPOSITE each other, so you set them equal to each other:

°45 + 65° = x

110° = x

I am joyous to assist you anytime.

Mashcka [7]3 years ago

4 0

Answer:

x = 110°

Step-by-step explanation:

The external angle of a triangle is equal to the sum of the 2 opposite interior angles.

x is an external angle to the triangle, thus

x = 65° + 45° = 110°

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