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India
Class X

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
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Outcomes

10.T.IT.1

Trigonometric ratios of an acute angle of a right-angled triangle. Proof of their existence (well defined); motivate the ratios, whichever are defined at 0° and 90°. Values (with proofs) of the trigonometric ratios of 30°, 45° and 60°. Relationships between the ratios.

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