10. AABC is right angled at A.
AD is perpendicular to
BC. If AB = 8 cm, BC = 10 cm and AC = 6 cm,
Find the area of AABC. Also find the length of AD.
A
8cm
6cm
D
10cm
C
Answers
Answered by
22
Answer:4.8cm
Step-by-step explanation:
In right angles triangle BAC,
AB=8cm,BC=10cm and AC=6cm
Area of triangle=1/2 ×base×height
= 1/2 ×AB×AC
=1/2×8×6=24
Now, in ΔABC,
Area of triangle AB
= 1/2 ×BC×AD
⇒24= 1/2×10×AD
⇒ AD= (24×2)/10
→ AD=48/10 → AD=4.8 cm.
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