Angle Types
Quadrilaterals
Triangles
Estimating Angles
Unknown Angles
100
An angle that is exactly 180 degrees is called
A straight angle
100
A rectangle has what type of interior angles?
Right angles
100
How many equal sides does an equilateral triangle have?
3
100
Estimate the degree of this angle
a) 45
b) 100
c) 90
d) 85
45 degrees
100
What is the missing angle?
50 degrees
200
An angle that is less than 90 degrees is called
An acute angle
200
Name three shapes that are quadrilaterals
Examples:
Square
Rectangle
Rhombus
Trapezoid
Diamond
Parallelogram
200
How many equal angles does an isosceles triangle have?
2
200
Estimate the degree of this angle
a) 70
b) 115
c) 170
d) 20
170 degrees
200
What is the missing angle? (angle P =?)
40 degrees
300
A rectangle desk has what type of angles?
Right angles
300
How many sets of parallel lines does a trapezoid have?
1 set
300
A scalene triangle has how many sides equal in length?
0
300
Estimate the degree of this angle
a) 90
b) 50
c) 30
d) 85
85 degrees
300
What is the missing angle?
95 degrees
400
A 116 degree angle is what type of angle
An obtuse angle
400
Name a quadrilateral that has all four sides equal in length and four interior angles that are also equal.
Square
400
The 3 interior angles of a triangle ALWAYS add up how many degrees?
180
400
Estimate the degree of this angle
a) 30
b) 5
c) 15
d) 45
15 degrees
400
What is the missing angle? (angle x=?)
22 degrees
500
An equilateral triangle has what type of interior angles?
Acute angles
500
Name a quadrilateral that has all four sides equal in length but interior angles that are different
Rhombus
500
What is the missing angle in this triangle?
65 degrees is angle "x"
500
Estimate the degree of this angle
a) 145
b) 160
c) 150
d) 125
145 degrees
500
What is the missing angle?
62 degrees
(all angles have to equal 360 degrees together)