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Please answer quickly!!!
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8 votes
Please answer quickly!!!

Please answer quickly!!!-example-1
User Circuitry
by
7.7k points

1 Answer

5 votes

Answer:


c=20

Explanation:

The diagonals of a rectangle always bisect each other. Therefore, we can set
QT=ST:


c=4c-60,\\-3c=-60,\\c=\fbox{20}

User JWCS
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7.4k points
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