Question

$\huge \underline \mathfrak \blue{Question☝}$

△ABC is right angled at A. AD is perpendicular to BC. If AB = 5cm, BC = 13cm and AC = 12cm. Find the area of \triangle△ ABC. Also find the Length of AD.


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Answer 1

Answer:

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

Area of triangle=

21 ×base×height= 21×AB×AC

= 21×5×12=30cm 2

Now, in ΔABC,

Area of triangle ABC= 21

×BC×AD

⇒30= 21×13×AD

⇒ AD= 13

30×2 = 1360cm.

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Answer 2

Step-by-step explanation:

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