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Elden [556K]
3 years ago
8

Math whizzes assemble! this is a tough one, this is a question on my study guide its a screenshot, any help would be appreciated

.

Mathematics
1 answer:
irga5000 [103]3 years ago
3 0

Answer:

14

Step-by-step explanation:

Knowing the first triangle is isosceles, and given the degree is 69.

We can find the top left angle as 180-69-69=42

42 combine with another angle to make a right angle

90-42=48.

The second triangle is also isosceles, so to find 2

we can use 180-42=138 (supplementary angles rule)

and given 10x-8=138

10x=140

x=14

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