identify triangles by side
This triangle has 3 congruent sides
what is equilateral
This triangle has a 90 degree angle
What is a right triangle?
this triangle has 2 angles that measure 60 degrees each.
what is 60 degrees
an equilateral triangle with one side thats 3 inches long has 2 sides that are this length
what is 3 inches long?
true or false, a square can be divided into 2 obtuse triangles
False a square can be divided into 2 right triangles
This triangle has 2 congruent sides
what is isoceles triangles
this triangle feaures an angle that is greater than 90 degrees
What is an obtuse triangle?
a right triangle that has a 45 degree angle
what is 45 degrees
an isoceles triangle with a base 3 inches long and a side thats 9 inches long has a remaining side that measures this long
What is 9 inches long?
true or false, a triangle can be right and obtuse
false. A triangle can only be one or the other.
This triangle has no congruent sides
what is a scalene triangle?
This triangle has 3 angles that are less than 90 degrees
What is an acute triangle?
This triangle has angles that measure 100 degrees , and 40 degrees.
what is 40 degrees
true or false, scalene triangles have 3 congruent sides?
what is false
A triangle that has three congruent sides could be identified in these two ways
what is equilateral and acute
Name the 3 types of triangles when we identify by side
What is isoceles, equilateral, and scalene?
name the three types of triangles when we identify triangles by angles
What is right, acute, and obtuse?
this triangle has two 20 degree angles.
what is 140 degrees
true or false, all the sides of a triangle add up to 180 degrees
what is false. All the angles add up to 180 degrees.
a triangle with no congruent sides and an angle that measures 100 degrees could be named in these 2 ways
what is obtuse scalene?
How do we know if a triangle is scalene, equilateral or isoceles?
what is the number of congruent sides
this triangle has angles that measure100 degrees, 60 degrees, and 20 degrees
What is an obtuse triangle?
this triangle has 3 congruent angles. Each angle would measure this
what is 60 degrees
True or false, all triangles are congruent?
False.there are many different types of triangles.
a triangle with 2 congruent sides and a 91 degree angle can be named in these 2 ways
what is isoceles and obtuse