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4.06 Area of a non-right-angled triangle

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
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Outcomes

ACMMM031

establish and use the sine and cosine rules and the formula Area=1/2 bc sin⁡A for the area of a triangle

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