AnswersAZ-Geometry A MA201Isosceles Triangles

Isosceles Triangles Answers

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Right triangle ABC is isosceles and point M is the midpoint of the hypotenuse.

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A
It is congruent to triangle ABC.
B
It is an obtuse triangle.
C
It is an isosceles right triangle.
D
It is a scalene triangle.
2
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What is always true about the angles of an isosceles triangle?

A
All three angles are congruent.
B
At least two of the angles are congruent.
C
The vertex angle is a right angle.
D
The vertex angle is obtuse.
3

GJ bisects ∠FGH and is a perpendicular bisector of FH.

Question illustration
A
It is a right triangle.
B
It is an obtuse triangle.
C
It has exactly 2 congruent sides.
D
It has exactly 3 congruent sides.
4

Angle M has a measure of 47°.

Question illustration
A
43°
B
47°
C
86°
D
94°
5

Triangle KNM is isosceles, where angle N is the vertex.

Question illustration
A
11º
B
25º
C
50º
D
65º
6

Consider the diagram and proof by contradiction.Given: △ABC with AB ≅ AC

Question illustration
A
AB ≠ AC
B
∠B ≅ ∠C
C
ABC is not a triangle
D
∠A ≅ ∠B ≅ ∠C
7

Triangle ABC is an isosceles right triangle. What is the measure of one base angle?

A
30º
B
45º
C
60º
D
90º
8

Isosceles triangle ABC has a perimeter of 96 centimeters. The base of the triangle is and measures 24 centimeters.What is the measure of ?

Question illustration
A
12 cm
B
36 cm
C
48 cm
D
72 cm
9

Triangle XYZ is isosceles. The measure of the vertex angle, Y, is twice the measure of a base angle.What is true about triangle XYZ? Select three options.

Question illustration
A
Angle Y is a right angle.
B
The measure of angle Z is 45°.
C
The measure of angle X is 36°.
D
The measure of the vertex angle is 72°.
E
The perpendicular bisector of creates two smaller isosceles triangles.
Option E
10

Triangle SQT is isosceles. The measure of angle STQ is 48°.

Question illustration
A
24°
B
38°
C
48°
D
76°

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Isosceles Triangles Answers — AZ-Geometry A MA201