Question

m (/_ BAC) = 90°, AD perpendicular on BC , AB= 6 cm. , AC = 8 cm.
Find AD​

Answer 1

In right angles triangle BAC, AB=5cm and AC=12cm

Area of triangle=21×base×height=21×AB×AC

=21×5×12=30cm2

Now, in ΔABC,

Area of triangle ABC=21×BC×AD

⇒30=21×13×AD

⇒ AD=1330×2=1360cm.

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