Question

An angle is three times its supplement. what is its measure please solve in note book ​

Answer 1

$\pink{given : } \\ \\ 2 \: \: \: \: supplementary \: \: \: \: \: angle \: \: \: be \: \: \\ x \: \: \: nd \: \: \: \: y \\ \\ \pink{hence} \\ \\ x = 3y \\ \\ \pink{To \: \: \: find : } \\ \\ x \\ y \\ \\ \pink{solution : } \\ \\ x + y = 180 \\ \\ 3y + y = 180 \\ \\ 4y = 180 \: \: \: \: \: \: \: \: \\ \\ y = \frac{180}{4} \: \: \: \: \: \: \: \: \: \\ \\ y = 45 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ x = 3y \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ x = 3 \times 45 \: \: \: \: \: \: \: \\ \\ x = 135 \: \: \: \: \: \: \: \: \: \: \: \: \:$

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