Angle Sum Theorem
Isosceles Triangle Theorem
Triangle Classification
Mixed
100
The sum of all the angles in a triangle is equal to _____?
180º
100
True or False: The base angles of an isosceles triangle are different.
False. The base angles of an isosceles triangle are THE SAME.
100
Classify the triangle by angles.
Acute Triangle
100
What is the value of y?
y=55º
200
Determine the measure of
angle w
w = 30º
200
Given the triangle XVW is an isosceles triangle, what is the value of z?
z=67º
200
Classify the triangle by angles AND sides.
Right, Scalene
200
The longest side of a right-angled triangle is called...?
Hypotenuse
300
Solve for s.
s = 27
300
What is the value of u?
u=31º
300
Classify the triangle by angles AND sides.
Obtuse, Isosceles
300
The longest angle is opposite to the...
longest side
400
Solve for v.
v = 24
400
What is the value of x + w?
x + w = 144º
400
What is the size of a single angle in an equalateral triangle?
60o
400
Solve for x.
60º
500
A triangle has interior angle measures of (7b+12)°, (11b–9)°, and (18b–3)°. What is the value of b?
b = 5
500
Solve for x.
x = 122º
500
What is the exterior angle property?
The exterior angle of a triangle is equal to the sum of its two opposite interior angles
500
If the obtuse angle in an Isosceles triangle is 110o, what is the size of one shorter acute angle?
35o