Vertical Angles
Find the measure of angle 1.
51 degrees
Solve for AC.
9 ft
Classify triangle PQR.
Equilateral Triangle
If two angles in a triangle equal 90 and 60, what does the other angle equal?
30 degrees
A triangle with all different side lengths.
Scalene Triangle
Find the measure of angle 2.
18 degrees
What is the length of EF?
18 in
Classify this triangle.
Isosceles Triangle
Given an equilateral triangle, what do all of the angles HAVE TO equal?
60°
A triangle with two equal sides.
Isosceles Triangle
Find the measure of angle U.
54 degrees
Solve for x.
x = 4
Classify the triangle based on its SIDES.
Scalene triangle
What is the theorem that says all of the angles in a triangle add to 180 degrees? (Looking for a 4 word answer)
Triangle Angle Sum Theorem
A triangle with all equal angles.
Equilateral Triangle
Triangle ABC is an equilateral triangle. Solve for x.
x = 13
If STR is an equilateral triangle, then find the length of ST.
74
Classify the triangle.
Right Isosceles or I will accept just Isosceles Triangle
What is the sum of the exterior angles in a triangle?
360°
What does the Isosceles Triangle Theorem state?
If two sides of a triangle are congruent, then the angles opposite those sides are congruent.
Solve for x.
x = 9
If DEF is an Isosceles triangle with DE = EF, then what is the measure of DE?
67
Use the Distance Formula to solve for the side lengths and then classify the triangle.
A(-10, 4), B(-3, -1), C(-5, 11)
Isosceles Triangle
Find the distance between these two points:
X(8, 7) and Y(-4, -2)
15