20. A smaller rectangle is centered within a larger rectangle such that the shaded area is created as shown below. The dimension
s of both rectangles are shown in terms of x.
i don´t know how to solve this
i don´t know how to solve this
1 answer:
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Answer:
z = 4.5
Step-by-step explanation:
∠B = ∠B ∠BAD = 90° - ∠B = ∠C
ΔBAD ~ ΔBCA
AB / z = BD / AB
z = AB * AB / BD = 3*3 / 2 = 4.5
