Year 12

3.11 The area of a triangle

Lesson

Worksheet

Practice

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 following triangle.

Round your answer to two decimal places.

Easy

1min

Calculate the area of the triangle.

Round your answer to two decimal places.

Easy

< 1min

Calculate the area of the triangle.

Round your answer to two decimal places.

Medium

< 1min

Outcomes

MS2-12-3

interprets the results of measurements and calculations and makes judgements about their reasonableness, including the degree of accuracy and the conversion of units where appropriate

MS2-12-4

analyses two-dimensional and three-dimensional models to solve practical problems

3.11 The area of a triangle

Interactive practice questions

Outcomes

MS2-12-3

MS2-12-4

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