Discover answers to your questions with Westonci.ca, the leading Q&A platform that connects you with knowledgeable experts. Join our platform to connect with experts ready to provide precise answers to your questions in various areas. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

Tina correctly calculates the value of x in the diagram using the steps shown.



Step 1: y=180−104
Step 2: x=360−102−38−(180−104)
Step 3: x=144
For which reason is the equation in step 2 true?

A.
The sum of the measures of the angles in a quadrilateral is 360°.


B.
The measure of an angle exterior to an interior angle in a quadrilateral is equal to the sum of the measures of the other interior angles.


C.
The sum of the angle measures x and y is equal to the sum of the measures of the other two angles in the quadrilateral.


D.
The angles with measures y and 104° are supplementary.