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-BARSIC- [3]
3 years ago
6

I need help I don't understand this.

Mathematics
2 answers:
Mashutka [201]3 years ago
8 0

Answer:

<1 = 64

Step-by-step explanation:

The exterior angle is equal to the sum of  the opposite interior angles for triangles

40  +<1 = 104

Subtract 40 from each side

<1 = 104 -40

<1 = 64

AleksAgata [21]3 years ago
3 0

Answer:

64°

Step-by-step explanation:

angle 1+40°=104°(sum of two non adjacent interior angles is equal to opposite exterior angle)

angle 1=104°-40°

angle 1=64°

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Please only answer if you're confident.
lina2011 [118]

Answer:  ∠B=70°

Step-by-step explanation:

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  • Vertical angle theorem: opposite angles are congruent.

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4 0
3 years ago
Read 2 more answers
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