Isosceles Triangles
Exterior Angle Theorem
Isosceles Triangle Theorem
Combination
Midsegments
200
Solve for x:
x= 40
200
True or False: The measure of an exterior angle of a triangle equals the sum of the two remote interior angle measures.
True
200
True or False: The base angles of an isosceles triangle are supplementary.
False. The base angles of an isosceles triangle are CONGRUENT.
200
What is the value of y?
y=55º
200
How many segments (minimum) will have the same length in a triangle that has a midsegment triangle?
3
400
what is the value of x:
x=48
400
What is the value of t?
t = 75º
400
The measure of the vertex angle of an isosceles triangle is 98°. What is the measure of a base angle?
A base angle would be 41º
400
Determine the value of t.
t=25º
400
If AB is the midsegment corresponding with EF, and EF is 44 units, how long is AB?
22
600
Solve for y:
y = 52
600
What is the missing angle?
70o
600
Based on the following isosceles triangle, what is the measure of z?
z=67º
600
A triangle has interior angle measures of (2a–19)°, (a+18)°, and (2a–14)°. What is the value of a?
a=39
600
True or false: Midsegments are never parallel to their corresponding side.
False
800
What is Isosceles Triangle Theorem?
800
The measure of an exterior angle of a triangle is 100°. The measure of one of its remote interior angles is 13°.
What is the measure of the other remote interior angle?
67º
800
What is the value of u?
u=31º
800
What are the values of u and t?
u=32
t=116
800
How many midsegments are there in a triangle?
3
1000
what is the value of the missing angle:
140
1000
What is the value of w?
(hint: the answer has a decimal)
w=25.5º
1000
Determine the value of x.
Determine the value of w.
x= 34º
w= 110º
1000
In an isosceles triangle, the measure of a base angle is (2x+5)° and the measure of the vertex angle is (4x+10)°. What is the measure of x?
x=20
1000
What is the dumbest viral meme?
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