SSC CGL 10 Jun 2019 Shift 1 Paper

Question : 57 of 100

Marks: +1, -0

A circle touches the side PQ of a ΔAPQ at the point R and sides AP and AQ produced at the points B and C, respectively. If the perimeter of ΔAPQ = 30 cm, then the length of AB is:

20 cm
10 cm
12 cm
15 cm

Validate

Solution:

Given

=A P+P Q+A Q=30

But

P R=P B

and

Q R=Q C

So,

A B:=\ {30}/{2}=15

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