"quadrilateral ABCD is similar to quadrilateral QRST"(rs)/(bc) (?)/(dc)

Tim Reynolds asked Sep 23, 2023

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38 votes

"quadrilateral ABCD is similar to quadrilateral QRST"
(rs)/(bc) (?)/(dc)

Tim Reynolds asked Sep 23, 2023

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28 votes

Let's take the ratio of the sides

Using proportion,

5/10 = 4/x

cross-multiply

5x = 40

Divide both-side of the equation by 5

x = 8

Zamotic answered Sep 27, 2023

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