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What is the measure of QR?
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What is the measure of QR?

What is the measure of QR?-example-1
User Bofanda
by
4.1k points

1 Answer

4 votes

Answer:

QR = 15

Explanation:

If PQRS is parallelogram, then SP = RQ. Therefore we have the equation:

5z + 3 = 6z - 3 subtract 3 from both sides

5z = 6z - 3 subtract 6z from both sides

-z = - 3 change the signs

z = 3

QR = 6z - 3

Put the value of z to the expression:

QR = 6(3) - 3 = 18 - 3 = 15

User Andy Thomas
by
5.5k points
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