Q. 45.0( 3 Votes )

In , if +=108°and+ =130°,Find ,and.

Answer :

=50°, =58°,=72°


Given,


+= 108° ___________________ (i)


+ = 130° ___________________ (ii)


We know that sum of angles of triangle = 180°


A + B + C = 180° [Sum of angles]


A + 130°= 180° [From equation (ii)]


A = 50°


Value of A = 50° put in equation (i),


+ = 108°


50° + = 108°


= 58°


Value of B = 58° put in equation (ii),


+ = 130°


58° + = 130°


= 72°


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