Question

please answer the question ​

Answer 1

Answer:

sorry mujhe nai aata

Step-by-step explanation:

XD CD

Answer 2

Answer:

m(arc AC)=42°

m(arc BD)=68°

m(arc ANB)=180°

m(arc CD)=70°

Step-by-step explanation:

i)The measure of arc is same as that of the central angle.

ii) Same explanation as i).

iii) Its a semicircle. And measure of semicircle is always 180°.

iv) AC+CD+DB=180°.

42+CD+68=180°.

110+CD=180°.

CD=180-110

CD=70°.

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