Identifying Types Of Triangles - Geometry Worksheet With Answers
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1
2Identifying Types of Triangles
Name:
Determine if each triangle is acute(A), obtuse(O) or right(R) and if it is an equilateral(E),
A n s w e r s
isosceles(I) or scalene(S).
O I
Acute Triangle:
Equilateral Triangle:
1.
All angles are less than 90°.
3 equal sides. 3 equal angles.
Obtuse Triangle:
Isosceles Triangle:
R S
2.
One angle is greater than 90°.
2 equal sides. 2 equal angles.
Right Triangle:
Scalene Triangle:
A I
One angle is 90°.
No equal sides. No equal angles.
3.
O I
4.
1)
2)
O S
5.
76
64
163
A S
150
129
6.
76
R I
7.
A E
8.
3)
4)
109
175
152
100
109
152
5)
6)
150
85
89
153
139
92
150
150
7)
8)
150
150
212
150
1-8
88 75 63 50 38 25 13 0
Math
4
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