29-11-2020
Mathematics

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What is the value of K?
answers needed immediately please and thank you.

What is the value of K answers needed immediately please and thank you class=

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29-11-2020

Answer: k = 10

because ∠MYZ is the outer angle of the triangle XYZ

=> ∠MYZ = ∠YZX + ∠YXZ

⇔ 115° = (4k + 5)° + (6k + 10)°

⇔ 115 = 10k + 15

⇔ 10k = 100

⇔ k = 10

Step-by-step explanation:

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