Question

triangle abc ~ triangle pqr the area of triangle abc = 9cm square and that of triangle pqr is 16 CM square if QR is 5cm find bc​

Answer 1

Answer:

Given △ABC∼△PQR

∴

area(△PQR)

area(△ABC)

=

QR

2

BC

2

⟹

16

9

=

QR

2

4.5

2

QR=

3

4×4.5

∴QR=6cm

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