Examine parallelogram abcd. angles a and d have measures of x and (x+30), respectively.
What is the value of x? Do not include the degree symbol.

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

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

The square root of 9x plus 7 plus the square rot of 2x equall to 7