The steps to construct 75- angle is given below- Arrange these steps in the correct sequence-1- At the point O- draw an angle AOE -60-2- Bisect the - DOE-3- Draw an angle AOD -90- at a point O on the line segment OA-A- 3-2-1B- 1-2-3C- 2-1-3D- 3-1-2

The correct option is D 3,1,2 The steps for constructing 75^∘ angle is given below: 1. Draw an angle AOD = 90^∘ at a point O on the line segment OA. 2. At the ...

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Standard VII

Mathematics

Constructing an Angle

The steps to ...

Question

The steps to construct $75^{\circ}$ angle is given below. Arrange these steps in the correct sequence.

1. At the point O, draw an angle AOE = $60^{\circ}$ .

2. Bisect the ∠DOE.

3. Draw an angle AOD = $90^{\circ}$ at a point O on the line segment OA.

3,2,1

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3,1,2

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1,2,3

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2,1,3

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Solution

The correct option is B
3,1,2

The steps for constructing $75^{\circ}$ angle is given below:

1. Draw an angle AOD = $90^{\circ}$ at a point O on the line segment OA.

2. At the point O, draw an angle AOE = $60^{\circ}$ .

3. Bisect the ∠DOE, so that ∠EOC = ∠DOC = $15^{\circ}$

$∠ A O C = ∠ A O E + ∠ E O C$ = $60^{\circ}$ + $15^{\circ}$ = $75^{\circ}$ .

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The steps to construct 75∘ angle is given below. Arrange these steps in the correct sequence. 1. At the point O, draw an angle AOE = 60∘. 2. Bisect the ∠DOE. 3. Draw an angle AOD = 90∘ at a point O on the line segment OA.

The correct option is B 3,1,2 The steps for constructing 75∘ angle is given below: 1. Draw an angle AOD = 90∘ at a point O on the line segment OA. 2. At the point O, draw an angle AOE = 60∘. 3. Bisect the ∠DOE, so that ∠EOC = ∠DOC = 15∘ ∠AOC=∠AOE+∠EOC = 60∘ + 15∘ = 75∘.

The steps to construct $75^{\circ}$ angle is given below. Arrange these steps in the correct sequence.

1. At the point O, draw an angle AOE = $60^{\circ}$ .

2. Bisect the ∠DOE.

3. Draw an angle AOD = $90^{\circ}$ at a point O on the line segment OA.