Transcript Document

Angles
Quadri- Ratio and
Triangles
laterals Proportion
Grab
Bag
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This is called a ___
This is called the___
This is called a ray.
This is called the vertex.
What kind of angle is this?
1. right
2. acute
3. obtuse
4. straight
What kind of angle is this?
1. right
2. acute
3. obtuse
4. straight
This is called a _____
It is used to______
This is called a protractor.
It is used to measure the
size of an angle.
Two angles that together are
complementary equal ______
1. 45˚
2. 90˚
3. 180˚
4. 360˚
Two angles that together are
complementary equal ______
1. 45˚
2. 90˚
3. 180˚
4. 360˚
Two angles that together are
supplementary equal ______
1. 45˚
2. 90˚
3. 180˚
4. 360˚
Two angles that together are
supplementary equal ______
1. 45˚
2. 90˚
3. 180˚
4. 360˚
Name this quadrilateral.
1. trapezoid
2. square
3. rectangle
4. rhombus
Name this quadrilateral.
1. trapezoid
2. square
3. rectangle
4. rhombus
Quadrilateral means that a
polygon has _____sides.
Quadrilateral means that a
polygon has 4 sides.
Name this quadrilateral.
1. trapezoid
2. square
3. rectangle
4. rhombus
Name this quadrilateral.
1. trapezoid
2. square
3. rectangle
4. rhombus
A quadrilateral with 2 sets of parallel
sides and opposite angles
are equal is called a_______.
1. square
2. parallelogram
3. rhombus
4. all of the above
A quadrilateral with 2 sets of parallel
sides and opposite angles
are equal is called a_______.
1. square
2. parallelogram
3. rhombus
4. all of the above
The interior angles of a
quadrilateral equals_________.
1. 45˚
2. 90˚
3. 180˚
4. 360˚
The interior angles of a
quadrilateral equals_________.
1. 45˚
2. 90˚
3. 180˚
4. 360˚
What is the ratio of circles to stars?
What is the ratio of circles to stars?
2 to 4 or 1 to 2 OR 2/4 = 1/2
What is the ratio of circles to all shapes?
What is the ratio of circles to all shapes?
2 to 9 OR 2/9
A television screen is 25 cm
long and 15 cm wide. What is
the ratio of length to width?
A television screen is 25 cm
long and 15 cm wide. What is
the ratio of length to width?
Length/ width = 25/15 = 5/3
A class has 25 students. Fifteen
are boys. What is the
ratio of boys to all students?
A class has 25 students. Fifteen
are boys. What is the
ratio of boys to all students?
boys /all = 15/25 = 3/5
14 = 7
n
4
What doe n equal?
14 = 7
n
4
What doe n equal?
n=2
Name this triangle.
1. right
2. equilateral
3. scalene
4. isosceles
Name this triangle.
1. right
2. equilateral
3. scalene
4. isosceles
Name this triangle.
1. right
2. equilateral
3. scalene
4. isosceles
Name this triangle.
1. right
2. equilateral
3. scalene
4. isosceles
The interior angles of a triangle
equals_________.
1. 45˚
2. 90˚
3. 180˚
4. 360˚
The interior angles of a triangle
equals_________.
1. 45˚
2. 90˚
3. 180˚
4. 360˚
What’s the measure of the
missing angles?
1. 45˚
2. 90˚
3. 180˚
4. 360˚
45
What’s the measure of the
missing angles?
1. 45˚
2. 90˚
3. 180˚
4. 360˚
45˚
What type of triangle has only
two sides equal?
1. right
2. equilateral
3. scalene
4. isosceles
What type of triangle has only
two sides equal?
1. right
2. equilateral
3. scalene
4. isosceles
Two angles of a triangle are
100˚ and 50˚. What’s the
measure of the third angle?
1. 30˚
2. 60˚
3. 90˚
4 100˚
Two angles of a triangle are
100˚ and 50˚. What’s the
measure of the third angle?
1. 30˚
2. 60˚
3. 90˚
4 100˚
What type of triangle has
no sides equal?
1. right
2. equilateral
3. scalene
4. isosceles
What type of triangle has
no sides equal?
1. right
2. equilateral
3. scalene
4. isosceles
A quadrilateral with only 1 set of
parallel sides is a _______
1. square
2. trapezoid
3. rhombus
4. isosceles triangle
A quadrilateral with only 1 set of
parallel sides is a _______
1. square
2. trapezoid
3. rhombus
4. isosceles triangle
Three angles of a quadrilateral
are 100˚, 50˚, 50˚ and ______˚.
1. 130˚
2. 160˚
3. 190˚
4. 200˚
Three angles of a quadrilateral
are 100˚, 50˚, 50˚ and ______˚.
1. 130˚
2. 160˚
3. 190˚
4. 200˚
A straight angle equals
how many degrees?
1. 45˚
2. 90˚
3. 180˚
4. 360˚
A straight angle equals
how many degrees?
1. 45˚
2. 90˚
3. 180˚
4. 360˚