When we bisect an angle of 45- we get two angles-

The correct option is B 22.5^∘An angle bisector divides an angle into two equal parts. 45 ÷ 2 = 22.5 When we bisect an angle of 45^∘, we get two 22.5^∘ angles ...

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Standard IX

Mathematics

Construction of an Angle Bisector

When we bisec...

Question

When we bisect an angle of $45^{\circ}$ , we get two angles.

30^{\circ}

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{22.5}^{\circ}

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{23.5}^{\circ}

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15^{\circ}

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Solution

The correct option is B ${22.5}^{\circ}$
An angle bisector divides an angle into two equal parts.
45 $\div$ 2 = 22.5
When we bisect an angle of $45^{\circ}$ , we get two ${22.5}^{\circ}$ angles.

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When we bisect an angle of 45∘ , we get two angles. ​​​​​

The correct option is B 22.5∘An angle bisector divides an angle into two equal parts. 45 ÷ 2 = 22.5 When we bisect an angle of 45∘, we get two 22.5∘ angles. ​​​​​

When we bisect an angle of $45^{\circ}$ , we get two angles.

The correct option is B ${22.5}^{\circ}$
An angle bisector divides an angle into two equal parts.
45 $\div$ 2 = 22.5
When we bisect an angle of $45^{\circ}$ , we get two ${22.5}^{\circ}$ angles.