Question

Need help with this!

Answer 1

Answer:

Here,

( 15x + 1 ) + ( 6x + 5 ) + ( 4x - 1 ) = 180

or, 15x + 1 + 6x + 5 + 4x - 1 = 180

or, 25x + 5 = 180

or, 25x = 180 -5

or, x = 7

Lastly,

C = (4x - 1 )

= 4 * 7 - 1

= 27 degree

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Answer 2

27
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