The area of AABC = 144 sq. cm and area of APOR APOR, then the corresponding altitude of A POR = 25 sq. cm. Altitude of AABC = 6 cm. If A ABC- is : (a) 2-5 cm (b) 5 cm (c) 12 cm (d) 6 cm
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Answer:
If two triangles are equals than the ratio of their square is equal to the ratio of their corresponding sides.
∴
arc(△PQR)
arc(△ABC)
=
QR
2
BC
2
⇒
49
25
=
(9.8)
2
BC
2
⇒
7
5
=
9.8
BC
⇒BC=
7
9.8×5
=7.0cm
2
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