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3. Right Angled Triangles
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AustraliaWA
Year 12

3.03 Calculating sides and angles of right-angled triangles

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Worksheet
Practice

Interactive practice questions

Find the value of $f$f, correct to two decimal places.

A right-angled triangle with a 27-degree angle at its base is shown. The side opposite the 27-degree angle is labeled as "$f$f m" indicating a length in meters that is not specified. The side adjacent to the 27-degree angle is labeled "8 m," indicating a length of 8 meters. The hypotenuse, connecting the vertex of the 27-degree angle to the right angle, is not labeled. The right angle is indicated by a small square at the triangle's base
Easy
2min

Find the value of $f$f, correct to two decimal places.

Easy
1min

Find the value of $f$f, correct to two decimal places.

Easy
1min

Find the value of $f$f, correct to two decimal places.

Easy
1min
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Outcomes

3.2.13

apply the tangent ratio to determine unknown angles and sides in right-angled triangles

3.2.15

apply the cosine and sine ratios to determine unknown angles and sides in right-angle triangles

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