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12.05 Angles within triangles

Interactive practice questions

Consider the triangle below.

Is it a right-angled triangle?

Yes

A

No

B
Easy
< 1min

Consider the triangle below.

Easy
< 1min

Solve for the value of $x$x in the diagram below.

Enter each line of working as an equation.

Easy
1min

Solve for the value of $x$x in the diagram below.

Enter each line of working as an equation.

Easy
< 1min
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Outcomes

MA4-17MG

classifies, describes and uses the properties of triangles and quadrilaterals, and determines congruent triangles to find unknown side lengths and angles

MA4-18MG

identifies and uses angle relationships, including those related to transversals on sets of parallel lines

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