4 years ago

What is the value of k?

Mathematics

1 answer:

LuckyWell [14K]4 years ago

6 0

Answer:

k = 10

Step-by-step explanation:

There are 180 degrees in a straight line, so ZYX must be 85 degrees. There are also 180 degrees in a triangle, so YZX + ZXY = 115.

4k + 5 + 6k + 10 = 115

10k + 15 = 115

10k = 100

k = 10

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