Math, asked by nisarg42, 5 months ago

in triangle abc p and q are points of ab and ac respectively if bc + pq =21 cm then find bc.

Answers

Answered by kavitadhangar2008

0

Step-by-step explanation:

In △ABC, PQ∥BC

So, by proportionality theorem

PB

AP

=

QC

AQ

=

BC

PQ

6

4

=

QC

AQ

=

BC

3

⇒

6

4

=

BC

3

∴ BC=4.5cm

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