Year 6

Polygon names and complementary angles

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Example 1

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Example 2

Find the missing angle
Find the missing angleA right angle is split by a ray. The angle between the horizontal ray and the dividing ray is 60°. The angle between the dividing ray and the vertical ray is x°. The square marks the full right angle. Diagram not to scale. Use the labelled measurements.60°x°
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Example 3

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