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2 years ago

Find the value of x. 43° x = [ ? ] X Enter

Mathematics

1 answer:

shepuryov [24]2 years ago

5 0

Answer:

x = 137

Step-by-step explanation:

Remark

What you have is a cyclic quadrilateral. That is a 4 sided figure whose angle vertices touch the circle's circumference. The sum of angles opposite each other = 180 degrees.

Givens

<1 = 43 degrees

Sum of x and <1 = 180 degrees.

Solution

x + 43 = 180 Subtract 43 from both sides

x + 43-43 = 180-43 Combine

x = 137

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Step-by-step explanation:

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Thus,

(3x - 10)° = (x + 40)°

Solve for x

3x - 10 = x + 40

Subtract x from both sides

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3 years ago

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