Isosceles Triangles?

Author:Walter M. Stroup

Topic:Angles, Perimeter, Triangles

[1]

Which of the following are isosceles triangles?

Select all that apply

A
[A] A triangle with two sides of equal length.
B
[B] A triangle with two angles of equal measure.
C
[C] A triangle with three sides of equal length.
D
[D] A figure made of three lines with two of the lines having equal length.

Check my answer (3)

[2] Figures [A]-[D]

[2] Use what you chose for [1] to answer this question about figures [A] - [D]

Which of the figures are isosceles triangles?

Select all that apply

A
[A]
B
[B]
C
[C]
D
[D]

Check my answer (3)

[3]

What other question could be asked about these figures?

[3]

What is the answer to the question you asked?

* - Note on how to measure angles:

Click the 4th menu square from the RIGHT. Select "Angle." Then moving in a CLOCKWISE direction click on three vertices (corners) in order. To make the number easier to see, you can click on the arrow square (first square on the left) and then click and drag the number to a better location.

Isosceles Triangles?

[1]

[2] Figures [A]-[D]

[2] Use what you chose for [1] to answer this question about figures [A] - [D]

[3]

[3]

* - Note on how to measure angles:

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