Types of Triangles
What is a triangle with all equal sides called?
Equilateral triangle
I am any angle that is less than 90 degrees.
an acute angle
How many sides does a pentagon have?
5
What is it called when a shape is moved from one place to another without rotating or flipping it?
Translation
How many degrees do the angles in a triangle add up to?
180 degrees
What type of triangle has two equal sides?
Isosceles triangle
What is an angle called that is exactly 90 degrees?
Right angle
What 3D shape has 6 faces, all of which are rectangles?
Rectangular prism
What is it called when a shape is flipped over a line to create a mirror image?
Reflection
Describe a scalene triangle
ALL sides are DIFFERENT LENGTHS
What type of triangle has all different side lengths?
Scalene triangle
What is an angle called that is more than 90 degrees but less than 180 degrees?
Obtuse angle
What shape has four equal sides and four right angles?
Square
What is it called when a shape is turned around a point?
Rotation
This question is about a triangle: If angle A is 40 degrees and angle B is 60 degrees, what is the measurement of angle C?
40 + 60 = 100
180 - 100 = 80 degrees
A - 80
What type of triangle has a 90-degree angle?
Right triangle
What is an angle called that is exactly 180 degrees?
Straight angle
How many faces does a cube have?
6
What is the ordered pair for the point located at 3 on the x-axis and 4 on the y-axis?
(3, 4)
Two triangles that are exactly the same size and same shape are called...
Congruent
What type of triangle has one angle greater than 90 degrees?
Obtuse triangle
What 2 types of angles do you find in the letter A?
Acute and obtuse angles
What 2D shape is also known as a "diamond" when placed on its vertex?
Vertex
In the ordered pair (5, 2), which number represents the y-coordinate?
2
Ali draws a triangle that has one 160 angle. What is the measurement of each of the other two angles in the triangle?
180 - 160 = 20 20 / 2 = 10 Each angle is 10 degrees