Geometry 2

In the figure, AB is the ____________ of the circle.

• Radius

• Chord

• Arc

• Diameter

The diameter of circle is 20 cm. What is its radius ?​

• 5 cm

• 10 cm

• 40 cm

In the figure, AB is the ______________ of the circle.

• Radius

• Arc

• Chord

• Diameter

This butterfly is because you can fold a picture of it in half and see that both sides match.

Answer explanation

The wings match! Something has symmetry if it can be split into two mirror-image halves.

What does symmetry means?

• A type of division

• The state of having two halves that match each other exactly in size.

• Cutting the shape from anywhere

How many lines of symmetry does this shape have?

• 0
• 1
• 2
• 4

Where two faces meet is called the

• vertex

• cube

• prism

• edge

Which of the following polygons are irregular? (Choose more than one)

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• 
• 
• 
• 

Which of the following polygons are regular? (Choose more than one)

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• 
• 
• 
• 

• cube
• sphere
• cone
• cylinder