A 75- angle can be made by drawing angle bisector between a 90- angle arm and a - angle arm-

75^∘= 90^∘+60^∘/2 Hence bisecting 90^∘ and 60^∘ will give 75^∘. ...

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Standard IX

Mathematics

Construction of an Angle Bisector

A 75∘ angle c...

Question

A 75 $^{\circ}$ angle can be made by drawing angle bisector between a 90 $^{\circ}$ angle arm and a ___ $^{\circ}$ angle arm.

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Solution

$75^{\circ} = \frac{90^{\circ} + 60^{\circ}}{2}$
Hence bisecting 90 $^{\circ}$ and 60 $^{\circ}$ will give 75 $^{\circ}$ .

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A 75∘ angle can be made by drawing angle bisector between a 90∘ angle arm and a ___∘ angle arm.

75∘=90∘+60∘2 Hence bisecting 90∘ and 60∘ will give 75∘.

A 75 $^{\circ}$ angle can be made by drawing angle bisector between a 90 $^{\circ}$ angle arm and a ___ $^{\circ}$ angle arm.

$75^{\circ} = \frac{90^{\circ} + 60^{\circ}}{2}$
Hence bisecting 90 $^{\circ}$ and 60 $^{\circ}$ will give 75 $^{\circ}$ .