Label by Angle
Label by Side
Triangle Sum Theorem
100
This triangle has a right angle.
What is a right tringle?
100

A triangle with 3 congruent sides is...

What is equilateral?

100
The sum of the interior angles of a triangle.
What is 180 degrees
200
This triangle has 3 acute angles.
What is an acute triangle?
200
A triangle with exactly 2 congruent sides is...
What is an isosceles triangle?
200
Given triangle ABC, angle B is 65 degrees, angle C is 70, and angle A is...
What is 45 degrees?
300
This triangle has an obtuse angle.
What is an obtuse angle?
300
A triangle with no congruent sides is...
What is a scalene traingle?
300

The base angles of an isoscelese triangle are...

What is congruent?

400
The base angles of this triangle are congrent.
What is an isosceles triangle?
400
The pythagorean theorem applies to the sides of this triangle.
What is a right triangle?
400

Given triangle STU with angle S = 2x, angle T = 5x, and angle U = 3x, solve for x.

18

500
All 3 angles of this triangle are congruent.
What is an equiangular triangle?
500
Given triangle GHT is an isosceles triangle with congruent sides 17 and 3x + 2, x is...
What is 5?
500

If the sum of the interior angles of a triangle is x+50, what is x?

130 

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