If the measure of an intercepted arc is 118°, and the measure of the inscribed angle is 2x - 1, what is the equation to find the value of x?

Verified Answer :

sar6

2 (2x - 1) = 118 I think

By using the inscribed angle and intercepted arc relationship, the equation to find the value of x is  \(4x-2 = 118^{0}\)

What is measure of an inscribed angle?

The measure of an inscribed angle is half the measure of the intercepted arc.

i.e., m<ABC = \(\frac{1}{2}\) m<AOC

Given

Measure of an intercepted arc = \(118^{0}\)

Measure of an inscribed angle = 2x - 1

m<ABC = \(\frac{1}{2}\) m<AOC

Substitute values in above formula

⇒\(\frac{1}{2} (118)^{0}\) = \((2x-1)\)

⇒ \(4x-2 = 118^{0}\)

Hence, By using the inscribed angle and intercepted arc relationship, the equation to find the value of x is  \(4x-2 = 118^{0}\)

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