Question

XY.
A PQR - AXYZ and 2 PQ = X Y
If QR=8cm then & 2 =
and​

Answer 1

Answer:

∵Δxyz∼ΔPQR,

yz

xy

=

QR

PQ

or,

8

12

=

QR

PQ

........(1)

yz

xz

=

QR

PR

or,

8

16

=

QR

8

∴QR=4

∴ From (1),

8

12

=

4

PQ

⇒PQ=6

∴PQ+QR=4+6=10