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11.05 Angles on a straight line

Interactive practice questions

What is the total measure of angles on a straight line?

$90^\circ$90°

A

$180^\circ$180°

B
Easy
< 1min

Do the angles in the diagram add to $180^\circ$180°?

Easy
< 1min

Find the size of the missing angle.

Easy
< 1min

Find the size of the missing angle.

Easy
< 1min
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Outcomes

5.12

Classify and measure right, acute, obtuse, and straight angles

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