In right-angled triangle ABC, ∠C = 90, CM is perpendicular on AB. If AB = 18 cm and BM = 6 cm, then find the length of CM.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. cm.
According to the given question,

Now, CM2 = BM × AM
⇒ CM2 = 6 × 12
⇒ CM2 = 72
⇒ CM = cm