[one_full last=”yes” spacing=”yes” center_content=”no” hide_on_mobile=”no” background_color=”” background_image=”” background_repeat=”no-repeat” background_position=”left top” border_position=”all” border_size=”0px” border_color=”” border_style=”” padding=”” margin_top=”” margin_bottom=”” animation_type=”” animation_direction=”” animation_speed=”0.1″ class=”” id=””][title size=”1″ content_align=”left” style_type=”none” sep_color=”” margin_top=”” margin_bottom=”” class=”” id=””]Compare angles and classify them as equal to, greater than or less than a right angle (ACMMG089)[/title][fusion_text]LO: To compare angles and classify them as equal, greater than or less than a right angle.
Know:

• That angles are measured using degrees.
• That a right angle is 90 degrees.

Understand:

• That angles can be measured using degrees
• That angles can be classified using their properties.

Do:

• I can compare angles and classify them as equal to, greater than or less than a right angle.

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Angles

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A right angle always adds up to 90 degrees. So all 90 degree angles are right angles. You can always tell that angles are right angles if they have a little square between the arms of the angle.

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Anything less than (smaller) a 90 degree angle is called an acute angle.

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If the angle is larger (bigger) than a 90 degree angle, then the angle is called an obtuse angle.

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