Question

Triangle ABC is right angled at A. AD is perpendicular to BC. If AB=5 centimeter,BC=13 centimeter and AC=12 centimeter. Find the area of Triangle ABC. Also find the length of AD​

Answer 1

Step-by-step explanation:

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​=1360​cm

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