Question

plz tell me this solution​

Answer 1

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Ans 11.

$\implies$ Angle b = 122°

• Reason : opposite angles are same

$\implies$ Angle a = 58°

• Reason = linear equation

Straight line = 180°

122° + a = 180°

a = 180 - 122

a = 58°

$\implies$ Angle c = 58°

• Reason : opposition angles are same.

So,

• Angle a = 58°
• Angle b = 122°
• Angle c = 58°

Ans 12.

$\implies$ Angle a = 50°

• Reason : opposite angles are same

$\implies$ Angle d = 52°

• Reason : opposite angles are same

$\implies$ Angle b = 78°

• Reason : linear equation

Straight line = 180°

50° + 52° + b = 180°

102 + b = 180

b = 180 - 102

b = 78°

$\implies$ Angle c = 78°

• Reason : opposite angles are same.
• Angle c = angle b

So,

• Angle a = 50°
• Angle b = 78°
• Angle c = 78°
• Angle d = 52°

___________________

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Answer 2

Answer:

Hey mate here's your answer

Explanation

Plz refer to the attachment

Hope this answers will help you

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