Question

If PR= 10 and PQ=4, then OR=

Answer 1

N 11

we have

PR=10

PQ=4

QR=?

In this problem, we have that

PR=PQ+QR ------> by addition lengths postulate

substitute the given values

10=4+QR

solve for QR

subtract 4 both sides

10-4=4+QR-4

6=QR

rewrite

QR=6