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inessss [21]
3 years ago
7

What is the value of x in the figure? Enter your answer in the box. 145º (2x + 15)

Mathematics
1 answer:
777dan777 [17]3 years ago
7 0

Answer:

x = 65

Step-by-step explanation:

The angle labeled with the expression " ( 2x + 15 ) " and the angle with the measure of 145° are vertical angles

Vertical angles are congruent (In other words, they are equal to each other)

Hence, 2x + 15 = 145

                   ^ ( Note that we just created an equation  that we can use

                       to solve for x )

Using that same equation we then solve for x

2x + 15 = 145

step 1 subtract 15 from each side

15 - 15 cancels out

145 - 15 = 130

we now have 130 = 2x

step 2 divide each side by 2

130 / 2 = 65

2x / 2 = x

we're left with x = 65

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Answer:

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Step-by-step explanation:

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You should also try solving it yourself to make sure I did not make any mistake.

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