If AD equals 3X +3 CD equals X +9, what is the value of X?
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So two lines that are parallel will have the same slope, and to calculate the slope you have to use the formula
CD: .
JK:
EF:
GH: (undefined)
In short, Lines CD and EF are parallel.
Given:
Measure of arc XZ = 32°
To find:
The measure of XYZ
Solution:
The measure of inscribed angle is half of the measure of the intercepted arc.
Multiply by 2 on both sides.
The measure of angle XYZ is 64°.