Similar Triangles
sorting activity freebie
Students will practice sorting
triangles into the similar & not
similar columns on the sorting
sheet. Answer key included!
Similar Triangles
*sorting mat*
NOT Similar Triangles
© Mrs D's Classroom
Similar Triangles
Directions: You will need to cut out and sort the pairs of triangles to
identify them as similar triangles or not similar triangles. Glue them
to the sorting mat after you have them all in place.
{
}
You will need to use the Triangle Sum Theorem to find
missing angle measures, find the scale factors, and don't
forget the rules about vertical angles!
45°
25°
95°
65°
45°
95°
45°
25°
38°
24°
30°
6
4
58°
3
58°
30°
6
5
3 4.5
8
9
58°
58°
3
3
10
4
9
15
12
28
12
3
3
3
4
18
12
16
15
21
4
18
24
24
30°
40°
4.5
9
9
110°
10
10
24°
65°
47°
40°
111°
14
16
26
© Mrs D's Classroom
Similar Triangles
Answer Key
Similar Triangles
3
25°
6
65°
3 4.5
95°
8
18
95°
38°
18
4
21
4
9
12
24°
28
12
3
3
4
14
26
16
3
58°
10
15
15
9
3
3
10
12
16
58°
30°
110°
45°
45°
24°
10
9
24
111°
47°
40°
25°
4.5
24
45°
6
4
5
65°
9
NOT Similar Triangles
58°
58°
30°
40°
30°
© Mrs D's Classroom
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