If PQ and PR are two tangents drawn from an external point P to a circle and PQ=10cm, What is the length of PR? *
Answers
Answered by
2
Answer:
From the graph, we find some conclusion-
PA=PB=10cm
CE=CA
DE=DB
Perimeter of ΔPCD is,
=PC+PD+CD
⇒PC+PD+CE+ED
⇒PC+PD+CA+DB
⇒(PC+CA)(PD+DB)
⇒PA+PB
⇒10+10
⇒20 cm.
solution
Step-by-step explanation:
Attachments:
Similar questions