Interior Angles
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Triangle Inequality
100
The sum of the interior angles of a triangle.
What is 180 degrees
100
This triangle has a right angle.
What is a right triangle?
100
A triangle with 3 congruent sides is...
What is equilateral?
100
The corresponding interior and exterior angle of a triangle add up to...
What is 180 degrees?
100
The sum of the two shortest sides of a triangle must be...
What is BIGGER than the 3rd side?
200
Given triangle ABC, angle B is 65 degrees, angle C is 70, and angle A is...
What is 45 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
Two angles that add to 180 degrees.
What is supplementary angles?
200
Given side lengths 7, 9, 15 determine if it is a triangle.
What is it is a triangle?
300
The base angles of an isosceles triangle are...
What is congruent?
300
This triangle has an obtuse angle.
What is an obtuse angle?
300
A triangle with no congruent sides is...
What is a scalene triangle?
300
Two angles that add up to 90 degrees.
What is complementary angles?
300
Given sides 4, 6, 10 determine if it is a triangle.
What is it is NOT a traingle?
400
Given triangle STU with angle S = 2x + 3, angle T = 5x, and angle U = 3x + 17, solve for x.
What is 16?
400
The base angles of this triangle are congruent.
What is an isosceles triangle?
400
The pythagorean theorem applies to the sides of this triangle.
What is a right triangle?
400
Vertical angles are...
What is congruent?
400
Given sides 8, 11 determine the range of the 3rd side.
What is 3 < x < 19?
500
Given isosceles triangle JKL, base angles J and L are 3x and exterior angle L is 100 + 5x. Vertex angle K is...
What is 120 degrees?
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
Two angles that form a straight angle...
What is a linear pair?
500
Given sides 5, 5, determine the range of the 3rd side.
What is 0< x< 10?
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