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CanadaON
Grade 11

Solve problems involving either sine or cosine law

Interactive practice questions

Solve for the length of side $a$a.

Round your answer to two decimal places.

Easy
2min

Find the length of $a$a.

Round your answer to two decimal places.

Easy
3min

Calculate the length of $y$y in metres.

Round your answer to one decimal place.

Easy
2min

Find the value of angle $w$w in degrees.

Round your answer to two decimal places.

Easy
3min
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Outcomes

11C.C.2.3

Describe conditions that guide when it is appropriate to use the sine law or the cosine law, and use these laws to calculate sides and angles in acute triangles

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