Shapes

Which figure is a polygon?

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A polygon has straight sides.

• True

• False

Answer explanation

A polygon is a closed figure made up of straight line segments.

Tags

CCSS.2.G.A.1

A quadrilateral is a polygon with exactly ______ sides.

• 6

• 7

• 4

• 5

Answer explanation

A quadrilateral is a polygon with exactly four sides.

Tags

CCSS.2.G.A.1

Select all of the quadrilaterals:

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Tags

CCSS.2.G.A.1

A vertex is the point where two sides meet.

• True

• False

Answer explanation

A vertex is the point where two sides meet.

Which shape is a trapezoid?

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Answer explanation

A trapezoid is a quadrilateral with only one pair of sides that are parallel or that will never cross.

Tags

CCSS.2.G.A.1

Is a trapezoid a parallelogram?

• Yes

• No

Answer explanation

A parallelogram is a quadrilateral with two pairs of sides with the same length and two pairs of parallel sides.  A trapezoid has only one pair of sides that are parallel.

Choose the rectangle.

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Answer explanation

A rectangle is a parallelogram with four right angles. Opposite slides are the are the same length. A rectangle is a parallelogram and a quadrilateral.

Tags

CCSS.2.G.A.1

A right angle forms a square corner.

• true

• false

Answer explanation

A right angle forms a square corner.

Tags

CCSS.4.G.A.1

Select the rhombus.

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Answer explanation

A rhombus is a parallelogram with all sides the same length and no right angles. (It is a dancing square)

Tags

CCSS.3.G.A.1