Classification by Angles
The triangle has 3 acute angles.
What is an acute triangle?
A triangle with 3 congruent sides.
What is an equilateral triangle?
The sum of the measures of the angles of a triangle is _____ degrees.
What is 180 degrees?
Two polygons are congruent if and only if their corresponding parts are _____________.
What is congruent?
This figure has two angles that add to be ninety degrees.
What is a right triangle?
This triangle has one right angle.
What is a right triangle?
This triangle has no congruent sides.
What is a scalene triangle?
The measure of angle 1 is 70 degrees. The measure of angle 3 is 30 degrees. The measure of angle 2 is ______.
What is 80 degrees?
If Triangle ABC is congruent to Triangle RST, Angle C is congruent to Angle _______.
What is Angle T?
2x=9
What is x=4.5
This triangle has 3 congruent angles.
What is an equiangular triangle?
This triangle has 1 congruent side.
What is a triangle?
An equiangular triangle has angle measures of _______
What is 60 degrees?
If Triangle ABC is congruent to Triangle RST, then Side AB is congruent to Side _______.
What is Side RS?
5x-3=-18
What is x=-3
This triangle has 1 obtuse angle.
What is an obtuse triangle?
This triangle has at least 2 congruent sides.
What is an isosceles triangle?
A right triangle has an angle measure of 90 degrees. Angle 2 is 45 degrees. Angle 3 is ______ degrees.
What is 45 degrees?
If Angle A is congruent to Angle J, Angle B is congruent is to Angle K, and Angle C is congruent to Angle L; Triangle JKL is congruent to Triangle _______.
What is Triangle ABC?
38=-3x+2
What is x=-12
This triangle is a special kind of acute triangle. It has 3 acute angles and all of the angles are equal.
What is an equiangular triangle?
A triangle with the following side lengths is classified as this:
6 ft, 13 ft, and 15 ft
What is a scalene triangle?
Measure of Angle 1 + Measure of Angle 2 + Measure of Angle 3 = __________.
What is 180 degrees or Triangle Sum Theorem.
If Triangle ABC is congruent to Triangle RST, then Side TR is congruent to Side ______.
What is Side CA?
8(3x-4)=16
What is x=2