Lesson 1 Classifying Triangles Worksheet Page 9
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99.
Draw two triangles that fit each part of the Venn diagram below.
Right
Isosceles
Triangles
Triangles
10.
Two sides of a triangle have lengths of 10 inches. The third side has a length
of 8 inches. What is the best name for the triangle? Use a picture and/or
words to explain your answer.
11.
Lyle drew the Venn diagram to the right.
Triangles
a. Why is the circle with the name
“Equilateral” inside the circle named
Isosceles
“Isosceles”?
Scalene
Equilateral
b. Why don’t the circles named “Scalene” and
“Isosceles” overlap?
9
C3 Lesson 1
Classifying Triangles
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