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Arada [10]
3 years ago
9

Anyone know the answer???

Mathematics
1 answer:
Umnica [9.8K]3 years ago
8 0

Answer:

k = 10

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the opposite interior angles

115 = (4k+5) + (6k+10)

Combine like terms

115 = 10k+15

Subtract 15 from each side

115-15 = 10k +15-15

100 = 10k

Divide by 10

100/10 = 10k/10

10 =k

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