In the construction of angle of - 75-Steps of construction are-Step 1- Draw ray AB Step 2- Construct - BAC -60-Step 3 will beA- Bisect - B A CB- Bisect - C A DC- Construct - B A D-60-D- Construct - B A D-90-

The correct option is D Construct Step 3 will be to construct ∠BAD = 90^∘ Because; We have, ∠ BAC = 60^∘ If we construct ∠BAD = 90^∘ , we get ∠CAD = 90 60 = ...

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Standard VII

Mathematics

Constructing Angle Bisector

In the constr...

Question

In the construction of angle of $∠ 75^{\circ}$ ,

Steps of construction are:
Step 1: Draw ray AB
Step 2: Construct $∠ B A C = 60^{\circ}$
Step 3 will be

Bisect

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Construct

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Construct

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Bisect

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Solution

The correct option is B Construct
Step 3 will be to construct $∠ B A D = 90^{\circ}$
Because;
We have, $∠ B A C = 60^{\circ}$
If we construct $∠ B A D = 90^{\circ}$ , we get $∠ C A D = 90 - 60 = 30^{\circ}$ .
We can bisect $30^{\circ}$ and get $15^{\circ}$ which will help us getting $75^{\circ}$ .

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In the construction of angle of ∠75∘, Steps of construction are: Step 1: Draw ray AB Step 2: Construct ∠BAC=60∘ Step 3 will be

The correct option is B Construct Step 3 will be to construct ∠BAD=90∘ Because; We have, ∠BAC=60∘ If we construct ∠BAD=90∘ , we get ∠CAD=90−60=30∘. We can bisect 30∘ and get 15∘ which will help us getting 75∘.

In the construction of angle of $∠ 75^{\circ}$ ,

Steps of construction are:
Step 1: Draw ray AB
Step 2: Construct $∠ B A C = 60^{\circ}$
Step 3 will be