Level 7 - NCEA Level 2

Area of Non-Right Angled 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 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.

Easy

< 1min

Outcomes

M7-4

Apply trigonometric relationships, including the sine and cosine rules, in two and three dimensions

91259

Apply trigonometric relationships in solving problems

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