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Ksenya-84 [330]
3 years ago
7

I need help on solving these types of geometry problems! Teacher said the answer is 7 but I have to show work. Thank you!

Mathematics
1 answer:
Nikolay [14]3 years ago
4 0

The vertex where the two triangles touch forms a pair of vertical angles, so that the angles on opposites sides of the vertex are congruent. You're shown that two legs of both triangles are congruent. All this tells you that the two triangles are isosceles, and furthermore that they are similar because of the congruence of their "base" angles.

This means

82^\circ=m\angle 2

\implies82=10x+12

\implies10x=70

\implies\boxed{x=7}

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Neporo4naja [7]
If I follow the angle degrees that they gave, your answers would be as follows:
I=145°
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Maybe this is right, sorry it took so long.
5 0
3 years ago
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Kazeer [188]

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dybincka [34]
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nikitadnepr [17]

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Step-by-step explanation:

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3 years ago
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8 0
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Read 2 more answers
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