Classifying Triangles
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by Holly Rickerl
| 11 Questions
Note from the author:
Used for a STEM class
1
2
Triangles can be classified in two ways. By looking at the ______ and the ______ .
2
1
When measuring the sides, triangles can be classified as acute, scalene and isoceles.
True
False
3
1
When measuring the angles, triangles can be classified as acute, equilateral and right.
True
False
4
2
Draw an obtuse triangle below.
5
2
Draw an equilateral triangle.
6
1
A triangle has sides measuring 8 inches, 5 inches and 4 inches. How would you classify it?
scalene
obtuse
equilateral
isosceles
equilateral
7
2
A triangle has two equal sides and a 90 degree angle. Classify it by its angle and its sides and write it below.
8
1
True
False
Remember that the sum of the angle measures in the triangle is 180 degrees. This is true for all triangles. ALWAYS.
9
1
A triangle has two angles measuring 60 degrees, and 80 degrees. The measurement of the final angle is 50 degrees.
True
False
10
1
What is the measurement of the third angle? One angle = 100 degree, one angle = 40 degrees.
60 degrees
90 degrees
40 degrees
50 degrees
11
1
A ______ triangle has no sides that are the same length.
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