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As we know that sum of all angles of a triangle is 180 degrees.
Therefore,
(11x-1 ) + ( 4x+15) +( 20x-9) = 180
we get
35x + 5 = 180
35x = 180 -5
35x = 175
x = 5
Therefore one angle 11x-1 = 11*5 -1 = 54 degree
Another angle = 4*11+15= 35 degrees
20x-9= 20*5 -9= 91 degress!
Please mark the brainliest!
Regards,
Mann02
Ambitous!
Therefore,
(11x-1 ) + ( 4x+15) +( 20x-9) = 180
we get
35x + 5 = 180
35x = 180 -5
35x = 175
x = 5
Therefore one angle 11x-1 = 11*5 -1 = 54 degree
Another angle = 4*11+15= 35 degrees
20x-9= 20*5 -9= 91 degress!
Please mark the brainliest!
Regards,
Mann02
Ambitous!
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