Determine which sides of quadrilateral ABCD must be parallel. If angle A is 72 degrees, angle B is 108 degrees, angle C is 72 de

Question

nata0808 [166]

3 years ago

6

Determine which sides of quadrilateral ABCD must be parallel. If angle A is 72 degrees, angle B is 108 degrees, angle C is 72 de

grees and angle D is 108 degrees.

Mathematics

1 answer:

iogann1982 [59] · Answer 1 · 2022-05-12T17:07:04+03:00

<h3>Answer:</h3>

AB║CD . . . and . . . AD║BC

<h3>Step-by-step explanation:</h3>

Adjacent vertices have supplementary angles. That means vertices A and B are adjacent, as are A and D. Sides connecting adjacent vertices are parallel to the sides connecting the opposite vertices. So, ...

... AB ║ CD

and

... AD ║ BC