Question

little bit explanation​

Answer 1

Answer:

angle in a semicircle = 180°.

110+70 = 180°.

therefore b) and d) will form a semicircle together.

option(d) is answer.

Answer 2

Answer:

get full explanation :-

☆ the diameter of the semi - circle is a straight line.

☆ if there is Quadrant , then the total angle will be 90⁰

☆ semi - circle is 2 × quadrant .

☆ therefore, the total angle of the semi - circle is 180⁰ .

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● from the above options ,

• (b) = 110⁰ and (d) = 70⁰ makes the total angle of 180⁰ , which is the required angle of the Semi - circle .

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therefore, option (d) .

☆ these two figures will required to make a Semi - circle .