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4 years ago

Find the value of x part 3

Mathematics

1 answer:

dedylja [7]4 years ago

7 0

Answer:

x= 14

Step-by-step explanation:

Please see the attached picture for the full solution.

*First step is base angles of triangle ABC

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The supplement of an angle is three times the measure of the angle.

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Answer: The angle equals 45 ∘ and the supplement is 135 ∘

Explanation:

Since the supplement is three times the angle, we can say s = 3 a

Since we know the supplement is

180 − a , we can plug that in.

180 - a = 3a

180 = 4 a (add a to both sides)

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Since we know the angle now, all we have to do is multiply it times 3 to find the supplement.

45 × 3 = 135

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Step-by-step explanation:

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3 years ago

Solving for an Unknown Using the Distributive Property

ArbitrLikvidat [17]

Complete Question:

The equation a= 180(n-2)/n represents the angle measures, a, in a regular n-sided polygon. When the equation is solved for n, n is equal to a fraction with a denominator of a – 180. What is the numerator of the fraction?

Answer:

The numerator of fraction is -360

Solution:

Given that,

The equation represents the angle measures, a, in a regular n-sided polygon is:

$a = \frac{180(n - 2)}{n}$

We have to solve the equation for "n"

Rearrange the equation

$a \times n = 180(n - 2)\\\\a \times n = 180n - 360\\\\an - 180 n = -360\\\\Take\ n\ as\ common\ factor\\\\n(a-180) = -360\\\\n = \frac{-360}{a - 180}$

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Find the value of x part 3​

Find the value of x part 3