△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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Answered by
13
Step-by-step explanation:
In right angles triangle BAC, AB=5cm and AC=12cm
Area of triangle= 1/2 * Base * Height= AB×AC = 1/2 × 5 ×12=30cm
Now, in ΔABC,
Area of triangle ABC= 1/2 ×BC×AD
×BC×AD
⇒30= 1/2×13×AD
AD= 30×2/13
AD= 60 / 13 cm
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Answered by
7
Area of △ABC = 30 cm²
Length of AD ≈ 4.61 cm
For steps refer to the attachments ☺️
Attachments:
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