© m. tallman. all three sides are congruent. 4 inches 4 inches 4 inches all three angles are also...
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© M. Tallman
© M. Tallman
All three sides are congruent.
4 inches
4 inches
4 inches
All three angles are also congruent, 60°.
60° 60°
60°
Note: an equilateral triangle will always have three 60° angles, no matter what the size of the triangle.
© M. Tallman
Two sides are congruent.
4 inches
3 inches
4 inches
Two angles are congruent.
70° 70°
40°
One side has a different length.
One angle is different.
© M. Tallman
All sides are different lengths.
5.5 inches
7 inches
3 inches
All angles are different.
50° 20°
110°
© M. Tallman
Has one right angle.
90°
Note: It is not possible for a triangle to have more than one right angle.
© M. Tallman
All three angles are acute (less than 90°).
50° 60°
70°
© M. Tallman
One angle is obtuse (greater than 90 °) .
110°
Note: It is not possible for a triangle to have more than one obtuse angle.
© M. Tallman
Equilateral, Isosceles, Scalene, Right, Acute, Obtuse.
X°Z°
Y°
a un
its
b units
c units
© M. Tallman
Equilateral, Isosceles, Scalene, Right, Acute, Obtuse.
90°X°
Y°a u
nit
s
b units
c units
© M. Tallman
Equilateral, Isosceles, Scalene, Right, Acute, Obtuse.
X°a
units
a units
a units
X° X°
© M. Tallman
Equilateral, Isosceles, Scalene, Right, Acute, Obtuse.
X°b u
nits b
units
Y° Y°
a units
© M. Tallman
Equilateral, Isosceles, Scalene, Right, Acute, Obtuse.
X°a u
nit
s
a units
X°
b units
© M. Tallman
Equilateral, Isosceles, Scalene, Right, Acute, Obtuse.
Y°
a units
b units
Z° X°
c units
© M. Tallman
Equilateral, Isosceles, Scalene, Right, Acute, Obtuse.
X°
a units
b units
Y°a units
X°
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