Andy states, " if the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram."

a. true
b. false

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.