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• using notation such as ∠ABC and ∠x to name angles
• estimation and measurement of angles in degrees
What will we learn today?
Geometry Angles
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Right Angle
Right Angle
This angle is greater than 90°.
Right Angle
This angle is greater than 90°. This angle is smaller than 90°.
1. In the figure, name the two angles that are greater than 90°.
1. In the figure, name the two angles that are greater than 90°.
∠d and ∠a are greater than 90°.
2. In the figure below, which angle is smaller than a right angle?
2. In the figure below, which angle is smaller than a right angle?
∠z and ∠y are greater than 90°.
∠y is 90°.
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