Points A, B, C, D, and O have coordinates (0, 3), (4, 4), (4, y), (4, 0), and (0, 0), respectively. The area of ACDO is 5 times
greater than the area of ABDO. Find y. Answer:
1 answer:
Answer:
y=32.
Step-by-step explanation:
Plot points A, B, D and O on the coordinate plane. Point C will lie on the vertical line BD. Quadrilatrals ACDO and ABDO are both trapezoids.
The are of the trapezoid ABDO is

Since the area of ACDO is 5 times greater than the area of ABDO, then

Now

Hence

This means that y=32.
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