D a quadrilateral with one pair of parallel sides
M=230
m-80=150
add 80 to each sides
Answer:
They are supplementary
Step-by-step explanation:
Two Angles are Supplementary when they add up to 180 degrees.
You find the greatest common factor of both numbers. For example 12/18 would be 2/3 because 6 goes into 12 and 18. After finding the GCF you just divide both numbers by it to get the simplified form