Match these units :) *pls answer *

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.

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?