In the given figure angle A of the triangle ABC is a right angle. The circle on AC as
diameter cuts BC at D. If BD = 9 and DC = 7, calculate the length of AB.
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0
Hey mate the diagram is not drawn properly by you ....plz read the question once again ...
ratnu96:
it is right question
Answered by
17
Answer: 12 UNIT
Step-by-step explanation:
1. Join AD
2. ∠ ADC = 90 ° (∵ Angle substending the diameter is 90°)
3. Δ ADC is similar to ΔBAC ( ∵ ∠ADC = ∠BAC = 90° and ∠C = ∠C - common angle - AA similarity)
4. BC / AC = AC / DC
5 . ∴ AC² = BC × DC
AC² = 16 × 7
= 112
6. AB² = √(256-112)
= 144
7. AB = 12
PLEASE MARK IT AS THE BRAINLIEST
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