Respuesta :

Answer:

99 cm² + 38.5 cm² = 137.5 cm²

Area of parallelogram = base * height

A = 11cm * 9cm

A = 99 cm²

Area of a triangle atop the parallelogram:

A = ab/2

A = (11cm * 7cm)/2

A = 77 cm² / 2

A = 38.5 cm²

Answer: 137.5 cm is right

Step-by-step explanation: I took the test