find PQ given QR=3 and PR=10.

Inactive Tutor answered • 09/09/21

Tutor

New to Wyzant

Assuming that R is a point on the segment PQ:

just add the lengths.

If R is not on the segment PQ; then PQ is one side of a triangle and Segment Addition doesn't apply.

THE KEY REQUIREMENT: R is ON the segment PQ, also described as "points P, Q, and R are collinear with R between P and Q."

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