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CanadaON
Grade 11

Sine law

Interactive practice questions

Consider a triangle where all three sides are known, but no angles are known. Is there enough information to find all the angles in the triangle using only the sine rule?

A triangle with sides labeled as a, b, and c.

No

A

Yes

B
Easy
< 1min

Find the side length $a$a using the sine rule.

Round your answer to two decimal places.

Easy
2min

Find the length of side $a$a using the Sine Rule.

Write your answer correct to two decimal places.

Easy
2min

Find the value of the acute angle $x$x using the sine rule.

Round your answer to one decimal place.

Easy
3min
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Outcomes

11C.C.2.2

Verify, through investigation using technology, the sine law and the cosine law

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