Find the measure of each angle in triangle abc. a=50-x b=9x-40 c=90 a) a=130 b=60 c=90 b) a=60 b=130 c=90 c) a=40 b=50 c=90 d) a=50 b=40 c=90 no guessing and show work you.

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?