Question

P, Q, R are collinear points, in that order. If PQ = 3.7 cm and PR = 7.3 cm then QR = _____

a.3.6 cm
b.3.8 cm
c.4 cm
d.4.2 cm​

Answer 1

Answer:

since, P,Q,R are collinear points

so, PR=PQ+QR

7.3=3.7+QR

QR=7.3-3.7

=3.6cm