If Q lies between P and R, PR = 12cm and QR = 9cm, then what is the value of $P Q^{2}$ ?

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Solution

The correct option is A 9

PR = 12 cm, QR = 9 cm

Since Q lies between Pand R,
PR = PQ + QR
12 = PQ + 9
PQ = 12 - 9 = 3
$P Q^{2} = 3^{2} = 9$

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Similar questions

P, Q, and R are 3 points on a straight line. QP = 5 cm, PR = 10 cm and QR = 15 cm.
Which of the following is true?

If P, Q, R are three points on a line and Q lies between P and R, then $P R - P Q =$ ______.

Q

P

R

P Q = Q R

P Q = \frac{1}{2} P R

B

A

C, A C = 12 c m

B C = 9 c m

A B^{2}

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