In a∆ abc if (a= 72°if ( b = 63° find ( c
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we know,
sum of angles of all angles of traingle is equal to 180°
so, A + B +C = 180°
given,
A = 72°
B =63°
C =?
put this above equation ,
72° + 63° + C = 180°
C = 180° -(72° + 63°)
=180° -135° =45°
C = 45°
sum of angles of all angles of traingle is equal to 180°
so, A + B +C = 180°
given,
A = 72°
B =63°
C =?
put this above equation ,
72° + 63° + C = 180°
C = 180° -(72° + 63°)
=180° -135° =45°
C = 45°
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