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Rectangle ABCD is similar to rectangle QRST. The width of ABCD is 5 inches and the length is 8 inches. If the length of QRST is 12 inches, what is the width of QRST?
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Rectangle ABCD is similar to rectangle QRST. The width of ABCD is 5 inches and the length is 8 inches. If the length of QRST is 12 inches, what is the width of QRST?

User Milk
by
8.2k points

2 Answers

2 votes

Answer:

7.5

Explanation:

User Tobias Langner
by
7.8k points
5 votes
Answer: 7.5

Form your proportion. Let x be the width of QRST.

Length of ABCD Length of QRST
----------------------- = -------------------------
Width of ABCD Width of QRST

8/5 = 12/x

Solve for x by cross-multiplying.
(8)(x) = (12)(5)
8x = 60
x = 7.5


Rectangle ABCD is similar to rectangle QRST. The width of ABCD is 5 inches and the-example-1
User Naanavanalla
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