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In triangle ABC,D, E and F are the midpo...

In `triangle ABC`,D, E and F are the midpoints of sides AB, BC and CA, respectively. If AB = 12 cm, BC = 20 cm and CA = 15 cm, then the value of `1/2 (DE + EF + DF)` is:
त्रिभुज ABC में, D, E तथा F क्रमशः भुजाओं AB, BC तथा CA के मध्य बिंदु हैं | यदि AB =12 सेमी, BC = 20 सेमी तथा CA =15 सेमी है, तो `1/2 (DE + EF + DF)` का मान क्या होगा ?

A

23.5 cm

B

5.88 cm

C

15.67 cm

D

11.75 cm

Text Solution

Verified by Experts

The correct Answer is:
D
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