I need it urgently pls answer it
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angle= 90°
hope this helps
hope this helps
bhavanavishwanath:
You
What ever age does not matter
huh
Is it 11 thclass sum
yes
(a²+ b² +2abcos theta)½ = ( a² + b² - 2abcos theta)½
2ab cos theta = -2abcos theta
4ab cos theta = 0
cos theta= 0
theta = 90°
Answered by
0
I think 0 degrees. The two are in straight line.
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