Question

Sketch proper figure and write the answer of the following question:

i)If A-B-C and l(AC)=15, l(AB)=8.5, then l(BC)=?

ii) If l(PR)= 5, l(PQ)=10.5 and R is between P and Q, then l(QR)=?​

Answer 1

Answer:

As LHS = RHS = 1

Hence proved !