In ΔABC, AB = AC and D is a point on side AC such that BD = BC. If AB = 12.5 cm and BC = 5 cm, then what is the measure of DC?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 2 cm
| Understanding | Application |
| Tricks |
According to question
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| Now |
ΔABC ~ ΔBCD (Both are Isosceles Triangle) So ⇒ AB/BC = BC/DC (CPCT) 12.5/5 = 5/DC DC = 25/12.5 |
| Hence | DC = 2 |
