Angles in Two-Dimensional Shapes

Which shape has exactly 4 right angles?

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CCSS.3.G.A.1

Which shape has exactly 2 acute and 2 obtuse angles?

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CCSS.4.G.A.1

True or false: These shapes both have 2 acute and 2 obtuse angles.

• True

• False

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CCSS.3.G.A.1

True or false: A square has all right angles which means each angle is 90 degrees.

• True

• False

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CCSS.5.G.B.4

Which shape has no angles?

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CCSS.2.G.A.1

CCSS.1.G.A.1

Which shape only has acute angles?

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CCSS.4.G.A.1

True or false: A hexagon only has obtuse angles.

• True

• False

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CCSS.2.G.A.1

Look at the pentagon. Ms. Carmela says all of the angles are obtuse. Ms. Shaina says some angles are acute. Who do you agree with?

• Ms. Shaina

• Ms. Carmela

• No one

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CCSS.5.G.B.4

Octagons have...

• only obtuse angles

• only acute angles

• acute, right and obtuse angles

Tags

CCSS.4.G.A.1

Choose 1 shape. Describe all the angles you see on the shape.

Tags

CCSS.4.G.A.1