Question

In triangle ABC is right angled at A. AD is perpendicular to BC. IF AB = 5 cm,
BC = 13 cm and AC = 12 cm, 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=

2

1

×base×height=

2

1

×AB×AC

=

2

1

×5×12=30cm

2

Now, in ΔABC,

Area of triangle ABC=

2

1

×BC×AD

⇒30=

2

1

×13×AD

⇒ AD=

13

30×2

=

13

60

cm.

Answer 2

Answer:

area of right angled triangle is 30cm²

Step-by-step explanation:

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