The area of the two shapes combined is 65 inches.
Step-by-step explanation:
A rectangle's formula is length x width which makes the equation 10 x 5 and the solution 50.
A triangle's formula is area = base x height ÷ 2 which makes the equation 10 x 3 ÷ 2 and the solution 15.
50 + 15 = 65