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If : cos^(2) A + cos^(2) B + cos^(2) C =...

If : `cos^(2) A + cos^(2) B + cos^(2) C = 1, "then" : Delta ABC ` is

A

equilateral

B

isosceles

C

right angles

D

none

Text Solution

Verified by Experts

The correct Answer is:
C
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