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5. Triangles
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Q6 of 95 Page 6

In the given figure ΔACB ~ ΔAPQ, if BC = 8 cm, PQ = 4 cm, BA = 6.5 cm, AP= 2.8 cm, Find CA and AQ.

Given: ACB ~ APQ

As, ACB and APQ are similar





Taking


⇒CA = 5.6cm


Now, taking


⇒AQ =3.25cm


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4

In the given figure ΔABR ~ PQR, if PQ = 30 cm, AR = 45 cm, AP = 72 cm and QR = 42 cm, find PR and BR.

5

In the given figure, QA and PB are perpendiculars to AB. If AO = 10 cm, BO = 6 cm and PB = 9 cm, find AQ.

7

In the given figure, XY || BC. Find the length of XY, given BC = 6 cm.

8

The perimeters of two similar triangles, ABC and PQR (ΔABC~ ΔPQR) are respectively 72 cm and 48 cm. If PQ = 20 cm, find AB.

Questions · 95
5. Triangles
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