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

2 min

Calculate the area of the following triangle.

Round your answer to two decimal places.

Easy

1 min

Calculate the area of the triangle.

Round your answer to two decimal places.

Easy

< 1 min

Calculate the area of the triangle.

Round your answer to two decimal places.

Medium

< 1 min

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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