Measurement

Reasonable Units

Introduction to Area

Area of Rectangles and Squares

Area of triangles

Area of Parallelograms

Area of Composite Shapes I

Area of Composite Shapes II

Exploring the area of special quadrilaterals

Area of Special Quadrilaterals

Area of Non Right Angle Triangles

Parts of a Circle

Area of a Circle

Area and Perimeter of Sectors

Volume of Rectangular Prisms

Volume of Prisms I

Volume of Prisms II

Volume of Cylinders I

Volume of Cylinders II

Volume of Right Pyramids

Volume of Right Cones

Volume of Spheres

Connecting Perimeters and Areas

Volume of Composite Solids I

Volume of Composite Solids II

Applications of Volume

Surface Area of Prisms I

Surface Area of Prisms II

Surface Area of Cylinders I

Surface Area of Cylinders II

Surface Area of Right Pyramids and Cones

Surface Area of a Sphere

Surface Area of Simple Composite Solids

Surface Area of Composite Solids

Surface Area of Complex Composite Solids

Stage 1 - Stage 3

Area of Non Right Angle Triangles

Interactive practice questions

Calculate the area of the following triangle.

Round your answer to two decimal places.

A triangle is depicted with the measurements of its two sides and their included angle. The included angle, highlighted by a blue-shaded arc, measures $50^\circ$50° and is adjacent to sides measuring $12$12 m and $13.1$13.1 m.

Easy

2min

Calculate the area of the triangle.

Round your answer to two decimal places.

Easy

< 1min

Calculate the area of the following triangle.

Round your answer to the nearest square centimetre.

Easy

1min

The diagram shows a triangular paddock with measurements as shown.

Easy

2min

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