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Black_prince [1.1K]
3 years ago
14

Find the value of x and then the measure of Arc XYZ and Arc XZ. Show work on a piece of paper.

Mathematics
1 answer:
Westkost [7]3 years ago
5 0

<u>Given</u>:

The measure of arc XY is (31x)°

The measure of arc YZ is (35x - 16)°

We need to determine the value of x, measure of arc XYZ and arc XZ.

<u>Value of x:</u>

From the figure, it is obvious that the arcs XY and YZ are congruent.

Thus, we have;

31x=35x-16

Subtracting both sides by 35x, we have;

-4x=-16

   x=4

Thus, the value of x is 4.

<u>Measure of arc XYZ:</u>

The measure of arc XYZ is given by

m \widehat{XYZ}=m \widehat{XY}+m \widehat{YZ}

The measure of arc XY is given by

m \widehat{X Y}=31(4)=124^{\circ}

The measure of arc YZ is given by

m \widehat{Y Z}=35(4)-16=124^{\circ}

Hence, the measure of arc XYZ is given by

m \widehat{XYZ}=124^{\circ}+124^{\circ}=248^{\circ}

Therefore, the measure of arc XYZ is 248°

<u>Measure of arc XZ:</u>

The measure of arc XZ is given by

m \widehat{XZ}=360^{\circ}-m \widehat{XYZ}

Substituting the values, we have;

m \widehat{XZ}=360^{\circ}-248^{\circ}

m \widehat{XZ}=112^{\circ}

Thus, the measure of arc XZ is 112°

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