Angles of a Triangle
Triangles can be classified by their angles. What are the 3 types of angles a triangle can have?
Acute, Obtuse, and Right
Triangles can be classified by their sides. What are the 3 types of sides a triangle can have?
Scalene, Isoceles, and Equilateral
The sum of all angles in a triangle always equals _______ degrees
180
Ms. Bauer wants to put up a new border on her bulletin board. She needs to find the ___________ of her bulletin board.
A) Perimeter
B) Area
C) Volume
A) Perimeter
What is the formula for finding volume?
length x width x height
(l x w x h)
A right angle is exactly _______ degrees.
90
A triangle has a sides that measure 4 in., 5 in., and 8 in. What kind of triangle is this?
Scalene
A triangle has an angle that measures 35 degrees and another angle that measures 40 degrees. What is the measurement of the missing angle?
105 degrees
Mrs. Shirey is putting down new carpet in her living room. She needs to find the ________ of her living room.
A) Perimeter
B) Area
C) Volume
B) Area
A rectangular prism has a length of 15 inches, a height of 10 inches and a width of 13 inches. What is the volume in of the rectangular prism?
1,950 cubic inches
An acute angle is ________ than 90 degrees.
Less
True or False: An equilateral triangle has sides that all measure the same length.
True
A triangle has an angle that measures 100 degrees, and another angle that measures 32 degrees. What is the measurement of the missing angle?
48 degrees
A right triangle has a base of 8 cm, and a height of 10 cm. Find the area.
40 cm. sq.
8 cubic inches
True or False: An obtuse angle can measure between 45 and 90 degrees.
False. An obtuse angle is always over 90 degrees.
A triangle has 2 sides that measure 10 cm, and one side that measures 6 cm. What kind of triangle is this?
Isoceles
A triangle has 2 angles that measure 29 degrees. What is the measurement of the missing angle?
122 degrees
A square has a side measuring 3 in. What is the perimeter of the square?
12 in.
A rectangular prism has a length of 10 inches, a width of 5 inches, and a height of 6 inches. What is the volume of this rectangular prism?
300 cubic inches
A triangle has 2 acute angles and one obtuse angle. How would we classify this triangle?
A) Acute triangle
B) Right triangle
C) Obtuse triangle
C) Obtuse triangle
Describe each of the following triangles:
1. Scalene triangle
2. Equilateral triangle
3. Isoceles triangle
1. All side have different lengths
2. All sides are of equal length
3. 2 sides have the same length, one does not
A right angle has an angle that measures 40 degrees. What is the measurement of the missing angle?
50 degrees
A rectangle has a length of 9 in. and a height of 4 in. Find the area & perimeter of the rectangle.
Area: 36 in.
Perimeter: 26 in.
Madison filled a container to half capacity with water. Its length is 7 inches, its width is 4 inches, and its height is 5 inches. If the container is filled to half capacity with water, what is the volume of water in the container?
70 cubic inches