3 years ago

What is the value of x??

Mathematics

1 answer:

Feliz [49]3 years ago

4 0

Answer:

I. 5

Step-by-step explanation:

140° and 8x° are on the straight angle and they are both equal 180°

to find the value of x:

140 + 8x = 180

8x = 180 - 140

8x = 40

x = 40/8

x = 5

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