Ch. 12.2 Analyzing Geometric Shapes-Level 1

Question 1

If there is a line that the figure can be “folded over” on so that one-half of the figure matches the other half perfectly it is called ________ symmetry or _______ of Symmetry.

Answer 1

What is reflection symmetry and line (axis) of symmetry?

Question 2

What are angles that are the same size and are opposite the sides that are the same length of an isosceles triangle called?

Answer 2

What are base angles?

Question 3

Which tool is a plexiglas “two-way” mirror that is useful in finding lines of symmetry?

Answer 3

What is a Mira and what is it useful for?

Question 4

If there is a point or center of rotation in which a figure can be rotated, less than a full turn, so that the image matches the original figure perfectly is considered to have _______ symmetry.

Answer 4

What is rotational symmetry?

Question 5

The point in which a figure can be rotated, less than a full turn, so that the image matches the original figure perfectly is called _______ of _________.

Answer 5

What is center of rotation?

Question 6

Figures for which only a full turn produces an identical image do not have ________ symmetry.

Answer 6

Which figures do not have rotational symmetry?

Question 7

The set of points required to join two points in the most direct way is called a _________ __________.

Answer 7

What is a line segment? Example: top of a picture frame.

Question 8

Two line segments that start at he same point is called a(n) ________.

Answer 8

What is an angle? Example: an open pair of scissors.

Question 9

An angle formed by two line segments that an be oriented so on is vertical and one is horizontal is called a(n) __________ _______ or ________ __________.

Answer 9

What is a right angle or perpendicular segments? Example: Vertical Flagpole.

Question 10

Two distinct line segments which, if extended in both directions, never meet are called _______ _____ ___________.

Answer 10

What are parallel line segments? Example: rail road tracks.

Question 11

The dots at the end of a line segment are called _______.

Answer 11

What are endpoints?

Question 12

The union of two segments with a common endpoint is called an _______.

Answer 12

What is an angle?

Question 13

Segments that make up an angle are called _______.

Answer 13

What are sides?

Question 14

The common endpoint of of an angle is called the _________.

Answer 14

What is a vertex?

Question 15

Segments have the same _______ when there endpoints coincide.

Answer 15

Segments have the same length when their ___________ coincide.

Question 16

When the sides of an angle are perpendicular, the angle is a _______ angle.

Answer 16

When the sides of an angle are ____________, the angle is a right angle.

Question 17

The three line segments that make up a triangle should be defined as ________ of the _________.

Answer 17

The three line segments that make up a ________ should be defined as sides of the triangle.

Question 18

The three angles that make up a triangle should be defined as ______ of the _______.

Answer 18

The three angles that make up a ________ should be defined as angles of the triangle.

Question 19

The three vertices that make up a triangle should be defined as the ________ of the __________.

Answer 19

The three vertices that make up a _______ should be defined as the vertices of the triangle.

Question 20

What triangle has all three sides being a different length?

Answer 20

What is a scalene triangle? Example: Bird Beak.

Question 21

Which triangle has at least two sides the same length?

Answer 21

What is an isosceles triangle? Example: Pennant.

Question 22

Which triangle has all three sides as the same length?

Answer 22

What is an equilateral triangle? Example: yield sign.

Question 23

What is a triangle with one right angle?

Answer 23

What is a right triangle?

Question 24

What is a line segment?

Answer 24

What is a side?

Question 25

What is an angle?

Answer 25

What is the union of two line segments with a common endpoint?

Question 26

What is a vertex?

Answer 26

What is the common endpoint called?

Question 27

Which triangle is a special isosceles triangle? Why?

Answer 27

An equilateral triangle is a _______- ________ triangle because is has at least two sides the same length.

Question 28

What is a quadrilateral with two pairs of parallel sides?

Answer 28

What is a parallelogram? Example: Railing

Question 29

What is a quadrilateral with four sides the same length?

Answer 29

What is a rhombus? Example: car jack

Question 30

What is a quadrilateral with four right angles?

Answer 30

What is a rectangle? Example: door

Question 31

What is a quadrilateral with four sides the same length and four right angles?

Answer 31

What is a square? Example: floor tile

Question 32

Which properties help one determine the type of a given quadrilateral?

Answer 32

What are the length of sides, angles and whether sides are parallel or perpendicular called and what are they useful for?

Question 33

What is a line segment formed by connecting non adjacent (opposite) vertices?

Answer 33

What is a line segment?

Question 34

If two sides share a common vertex, they are considered ________.

Answer 34

If two sides are a common _______, they are considered adjacent.

Question 35

If two sides are not adjacent they are considered to be _________.

Answer 35

If two sides are not _________ they are considered to be opposite.

Question 36

Which two quadrilaterals have adjacent sides that are the same length?

Answer 36

A square and a rhombus have ________ sides that are the same length.

Question 37

Which four quadrilaterals have both pairs of opposite sides the same length?

Answer 37

A parallelogram, rhombus, rectangle, and square all have both pairs of ________ sides the same length.

Question 38

In which two quadrilaterals are all angles right angles?

Answer 38

Only in a square and a rectangle are all angles right angles.

Question 39

Which four quadrilaterals are both pairs of opposite sides parallel?

Answer 39

A parallelogram, rhombus, rectangle, and square all have both pairs of opposite sides _________.

Question 40

In which two quadrilaterals are adjacent sides always perpendicular?

Answer 40

In a rectangle and square the adjacent sides are always _________.

Question 41

In which two quadrilaterals are the diagonals the same length?

Answer 41

In a rectangle and square the diagonals are the same length.

Question 42

In which four quadrilaterals do the diagonals intersect at the midpoint?

Answer 42

In a parallelogram, rhombus, rectangle, and square the diagonals intersect at the __________.

Question 43

In which two quadrilaterals are the diagonals perpendicular?

Answer 43

Only in a rhombus and a square are the diagonals _____________.