
Geometry | Unit 4 | Lesson 3: Half an Equilateral Triangle | Practice Problems
Authored by Illustrative Mathematics
Mathematics
6th Grade

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8 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Select all statements that are true about equilateral triangle ABC.
Angles B and C are 60 degrees.
Triangle ABD is congruent to triangle ACD.
BD and CD are both 3 units long.
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Find the length of each leg.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
An equilateral triangle has a side length of 10 units. What is its area?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Find the lengths of the legs.
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A square has side length 3 units. What is the length of the diagonal?
3 units
6 units
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The angle would decrease.
The angle would remain the same.
The angle would increase.
We cannot determine anything about the angle.
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Segment A'B' is parallel to segment AB. What is the length of segment A'B'? What is the length of segment B'B'?
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OFF
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