Answers

2014-07-06T17:24:46+05:30
Let the unknown value be x
⇒x/1+2/3 x=90
l.c.m.=3
so⇒ 3x+2x/3=90
⇒ 5x=90*3
⇒ 5x=270
⇒ x=270/5
⇒ x=54°
2/3x=36°

proof=36°+54°=90°

3 4 3
2014-07-06T17:36:42+05:30
The required angle is 90 degree
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