Question

solve the given attachment​

Answer 1

Step-by-step explanation:

given angle amc=180

to prove =angle ABC=90

proof-angle amc=2angle abc. ( angle subtended at the centre equal to double the angle subtended at any part of the circle)

angle amc=180 (straight line)

angle ABC=90

hence proved

Answer 2

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Step-by-step explanation:

given angle amc=180

to prove =angle ABC=90

proof-angle amc=2angle abc. ( angle subtended at the centre equal to double the angle subtended at any part of the circle)

angle amc=180 (straight line)

angle ABC=90

hence proved

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$\\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \sf☆ \: Thank \: You! \: ☆$