Triangles
How many sides does a triangle have?
3
What angle is exactly 90 degrees?
Right Angle
What polygon has 3 sides and 3 angles?
Triangle
180 degrees
What kind of triangle has two equal sides?
Isosceles
What do you call an angle less than 90 degrees?
Acute Angle
What is a polygon with 5 sides and 5 angles?
Pentagon
What is the missing angle?
90 + 50 + _____ = 180 degrees
40 degrees
What kind of triangle has all equal sides?
Equilateral
What do you call an angle greater than 90 degrees?
Obtuse Angle
What is a polygon with 8 angles?
Octagon
What is the missing angle?
120 + _______ + 30 = 180 degrees
30 degrees
What would you call a triangle with all equal sides and all angles under 90 degrees? (2 names!)
Equilateral acute triangle
How would you classify an angle equal to 91 degrees?
A Right Angle
What is a polygon with 6 angles?
Hexagon
Which choice would be the angles within a right triangle?
a. 60, 50, 70
b. 30, 30, 120
c. 45, 45, 90
d. 120, 40, 20
C. 45, 45, 90
What would you call a triangle with one angle equaling 120 degrees and no equal sides? (2 names!)
Scalene Obtuse
How would you classify an angle equal to 60 degrees?
An acute angle
What is a polygon with 4 sides, 4 angles, but the LENGTH is longer than the WIDTH?
Rectangle
What is the missing angle?
81 + 43 + ______ = 180 degrees
56 degrees
What do you call a triangle with two equal sides and an angle equal exactly to 90 degrees?
Isosceles Right Triangle
What would you classify an angle equal to 150 degrees?
An obtuse angle
What is the polygon with 9 sides and 9 angles?
nonagon
What is the missing angle?
25 + ____ + 36 = 180 degrees
119 degrees