Question

pls follow give me answer of this ques​

Answer 1

• 60°

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Answer 2

$\bullet\footnotesize \sf \pink{ \: Solution:-}$

$\: \: \: \: \: \: \: \: \: \: \: \: \:$

$\footnotesize \sf \pink{Angle \: AOC \: and \: BOC \: = \: 180° [Linear Pair]}$

$\: \: \: \: \: \: \: \: \: \: \: \: \:$

$\footnotesize \sf{2x + 30° + 2x + 10° = 180°}$

$\footnotesize \sf{2x + 2x + 30° + 10° = 180° }$

$\footnotesize \sf{4x + 40° = 180° }$

$\footnotesize \sf{4x = 180° - 40°}$

$\footnotesize \sf{4x = 140°}$

$\footnotesize \sf{x = \frac{ 140° }{4} }$

$\footnotesize \sf{x = \cancel\frac{ 140° }{4} }$

$\footnotesize \sf{x = 35° }$

$\: \: \: \: \: \: \: \: \: \: \: \: \:$

$\footnotesize \sf \pink{Angle \: BOC = 2x + 10°}$

$\footnotesize \sf \pink{Angle \: BOC = 2 × 35° + 10°}$

$\footnotesize \sf \pink{Angle \:BOC = 70° + 10°}$

$\bullet\footnotesize \sf \pink{ \: Angle \:BOC = 80°}$