Question

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Answer 1

Answer:

The measure of angles EAR, angle RAD and angle ROD are 30°, 60° and 120° respectively.

Step-by-step explanation:

Given information: ∠EOR=60°.

From the given figure it is clear that ∠EOR and ∠ROD are liners pairs.

       (Supplementary angles)

Vertical opposite angles are equal, so

Diagonals of a rectangle bisect each other. It means triangle OAD is an isosceles triangle.

Let .

     (Angle sum property)

The value of x is 60. So .

∠EAR and ∠RAD are complimentary angles.

Therefore, the measure of angles EAR, angle RAD and angle ROD are 30°, 60° and 120° respectively.

Answer 2

Answer:

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