3 years ago

Find the value of x a. 4 b. 9 c. 18 d. 14

Mathematics

2 answers:

Serggg [28]3 years ago

4 0

A. 4
The degree has to equal 180 so 180-140=40 40=(10)(4)

djyliett [7]3 years ago

4 0

Answer:

Step-by-step explanation:

We know that this is a supplementary angle, which means the sum of two angles is 180 degrees.

The Equation would then be:

140+10x=180

All you need to do is solve for x.

140+10x=180

-140 -140 (Subtract 140 from both sides)

10x=40 (Divide by 10)

x=4

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