Find the area of this composite figure.
2 answers:
Answer: 171 cm
Step-by-step explanation: im not sure if this is right but
9x12=108
9x7=63
108+63=171
Area of triangle = ½bh Area of rectangle = bh Total area = Area of triangle + Area of rectangle Area of rectangle = (12 cm)(9 cm) Area of rectangle = 108 cm² Area of triangle = ½(9 cm)(7 cm) Area of triangle = ½(9 cm)(7 cm) Area of triangle = 31.5 cm² Total area = 31.5 cm² + 108 cm² Total area = 139.5 cm² Answer: 139.5 cm²
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