Mathematics

Grade9

Easy

Question

The length of the side CD of a regular octagon ABCDEFGH is ______.

2 cm
5 cm
12 cm
6 cm

hint Hint:

The interior angle at each vertex of a regular octagon is 135°.

The correct answer is: 6 cm

Octagon is a polygon that has 8 sides and 8 angles
regular octagon has eight equal sides and eight equal angles
so All the sides of a regular Octagon are equal.
So, CD = 6 cm.

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The length of the side CD of a regular octagon ABCDEFGH is ______.

2 cm5 cm12 cm6 cm

The interior angle at each vertex of a regular octagon is 135°.

The correct answer is: 6 cm

Octagon is a polygon that has 8 sides and 8 anglesregular octagon has eight equal sides and eight equal anglesso All the sides of a regular Octagon are equal.So, CD = 6 cm.

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2 cm
5 cm
12 cm
6 cm

Octagon is a polygon that has 8 sides and 8 angles
regular octagon has eight equal sides and eight equal angles
so All the sides of a regular Octagon are equal.
So, CD = 6 cm.

The measure of $angle A$ is _________.

The measure of $angle A$ is _________.

The measure of $angle V$ is _________.

The measure of $angle V$ is _________.