Circumference is the perimeter of what kind of shape?
Circle
Calculate the area of a circle with a radius of 2 cm.
A = pi x r x r
Don't forget the units! Area is always squared!
12.56 cm2
The two opposite sides of a parallelogram are?
a) equal and parallel
b) equal and not parallel
c) not equal and parallel
d) not equal and not parallel
a) equal and parallel
A triangle has a base and a height.
a) True
b) False
a) True
A circle has ___________ degrees.
a) 180
b) 240
c) 360
c) 360
Calculate the circumference of a circle with a diameter of 4 m.
C = pi x d
Don't forget the units!
12.56 m
Calculate the area of a circle with a radius of 4 ft.
A = pi x r x r
Don't forget the units! Area is always squared!
50.24 ft2
The height in most parallelograms will be the ______ line going upwards and the base will be the line that makes a ________ degree angle with the height.
a) solid, 180
b) dashed, 90
c) dashed, 180
b) dashed, 90
A triangle has a length and a width.
a)True
b) False
b) False
If the radius of a circle is 5 m, what is the diameter?
Don't forget the units!
10 m
Calculate the circumference of a circle with a radius of 5 m.
C = pi x d
Don't forget the units!
31.4m
Calculate the area of a circle with a diameter of 10 cm.
A = pi x r x r
Don't forget the units! Area is always squared!
78.5 cm2
Find the area of a parallelogram with a base = 8 cm, height = 3 cm, and slant = 4 cm.
Area = b * h
Don't forget the units! Area is always squared!
24 cm2
Find the area of a triangle with a base of 4 cm and a height of 5 cm.
Area = 1/2 x (b x h)
Don't forget the units! Area is always squared!
10 cm2
If the diameter of a circle is 20 ft, how long is the radius?
Don't forget the units!
10 ft
What is the diameter of a circle with a circumference of 15.7 cm?
C = pi * d
Don't forget the units!
5 cm
Calculate the area of a circle with a diameter of 24 m.
A = pi x r x r
Don't forget the units! Area is always squared!
452.16 m2
Find the area of a parallelogram with a base = 10 cm, height = 5 cm, and slant = 8 cm.
Area = b * h
Don't forget the units! Area is always squared!
50 cm2
Find the area of a triangle with a base of 10 cm and a height of 3 cm.
Area = 1/2 x (b x h)
Don't forget the units! Area is always squared!
15 cm2
Find 10% of 200 people.
20 people
What is the radius of a circle with a circumference of 62.8 ft?
C = pi * d
Don't forget the units!
10 ft
The area of a circle is 314 cm2, what is the radius?
A = pi x r x r
Don't forget the units! Radius is not squared!
10 cm
The area of a parallelogram is 20 m2, if the height is 4 m. What is the base?
Don't forget the units! Base is not squared!
5 m
The AREA of a triangle is 20 m2. If the height is 4 m, what is the base?
Area = 1/2 x (b x h)
HINT: GO BACKWARDS(DO THE OPPOSITE)10 m
How many degrees would a data totaling 25% take up in a circle graph(pi chart)?
90 degrees