A pentagon is formed by removing two right triangles of the same size from a
rectangle. The resulting pentagon has an area of 720 in.2,
18 in.
12 in.
Determine whether each equation can be used to find the value of a in
inches.
Choose Yes or No from each drop-down menu for each equation.
18 (12+) (18-12)= 720
36 in.
xin.
Choose...
36x+12 (18) 720
Choose...
18z+18 (12+)-720
Choose...
36 (12+)-18 (12)-720
Choose...