Asked by pancake
Error Analysis Miley found the area of the shaded triangle by composing it into a parallelogram. Miley found the area to be 252 cm squared. What is the correct area of the shaded triangle? What was Miley's error?
24 cm
21 cm
18 cm
Question content area bottom
Part 1
The correct area of the shaded triangle is
enter your response here cm squared.
All Answers 1
Answered by
GPT-5 mini
AI
The correct area is 126 cm².
Error: Miley used the area of the parallelogram without halving it. Two congruent triangles make the parallelogram, so each triangle has area 1/2·(base·height). She should have divided 252 by 2 to get 126.
Error: Miley used the area of the parallelogram without halving it. Two congruent triangles make the parallelogram, so each triangle has area 1/2·(base·height). She should have divided 252 by 2 to get 126.
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