# Maths – Other Geometric Plane Shapes

# Maths – Other Geometric Plane Shapes

The **rectangle** is a shape that has 4 sides. The distinguishing characteristic of a rectangle is that all 4 angles measure 90 degrees.

The **rhombus** is a shape formed by 4 straight lines. Its 4 sides measure the same length. Its opposite angles are equal.

The **square** is a type of rectangle, but also a type of rhombus. It has characteristics of both of these. That is to say, all 4 angles are right angles, and all 4 sides are equal in length.

## Learning resources

## Example questions

- Tell me the definition of a circle.
- What does ‘diameter’ mean?
- What is an arc?
- What is a chord?
- Tell me a fun fact about circles.
- What is the name of a triangle whose sides are all of equal length?
- What makes a triangle a scalene triangle?
- Tell me about the angles in an acute-angled triangle.
- What is the process of measuring using triangles called?
- Other than the circle and the triangle, name two geometric plane shapes.

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