PinpointingProperties

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PinpointingProperties
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Trapezoids

• Make these trapezoids on your geoboard.

How many sides?
4
How many angles?
4
Are any sides congruent?
No sides are congruent
Are any sides parallel?
Exactly one pair opposites sides are parallel
Are any angles congruent?
No angles are congruent
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Parallelograms

• Make these parallelograms on your geoboard.

How many sides?
4
How many angles?
4
Are any sides congruent?
2 pair of opposite sides are congruent
Are any sides parallel?
2 pair of opposite sides are parallel
Are any angles congruent?
2 pair of opposite angles are congruent
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Rectangles

• Make these rectangles on your geoboard.

How many sides?
4
How many angles?
4
Are any sides congruent?
2 pair of opposite sides are congruent
Are any sides parallel?
2 pair of opposite sides are parallel
Are any angles congruent?
All angles are congruent 4 right angles
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Comparing Rectangles and Parallelograms

• How are rectangles and parallelograms the same?

Rectangles and parallelograms have opposite sides
that are equal and opposite angles that are
congruent.

• How are rectangles and parallelograms different?

Rectangles have 4 right angles.
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Squares

• Make these squares on your geoboard.

How many sides?
4
How many angles?
4
Are any sides congruent?
All 4 sides are congruent
Are any sides parallel?
2 pair of opposite sides are parallel
Are any angles congruent?
All angles are congruent 4 right angles
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Comparing Squares and Rectangles

• How are squares and rectangles the same?

Squares and rectangles have opposite sides equal
and 4 right angles.

• How are squares and rectangles different?

Squares have 4 equal sides.
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Rhombus

• Make these rhombuses on your geoboard.

How many sides?
4
How many angles?
4
Are any sides congruent?
All 4 sides are congruent
Are any sides parallel?
2 pair of opposite sides are parallel
Are any angles congruent?
2 pair of opposite angles are congruent
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Comparing Squares and Rhombuses

• How are squares and rhombuses the same?

Squares and rhombuses have 4 equal sides.

• How are squares and rhombuses different?

Squares have 4 right angles.
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Kite

• Make these kites on your geoboard.

How many sides?
4
How many angles?
4
Are any sides congruent?
2 pair of adjacent sides are congruent
Are any sides parallel?
No parallel sides
Are any angles congruent?
1 pair of opposite angles are congruent
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Comparing Kites and Rhombuses

• How are kites and rhombuses the same?

Kites and rhombuses have two pairs of equal
adjacent sides.

• How are kites and rhombuses different?

All the sides of the rhombus are equal.
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square (rectangle with equal sides or rhombus
with congruent angles)
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