Circumference
What is the formula for the circumference of a circle
C = pi * d
or
C = 2 * pi * r
What is the formula for the area of a circle?
a = pi * r2
Solve for x
2x + 3 = 11
x = 4
What is a 15% tip on a $40.00 meal?
$6.00
What is the solution for this
x/2 - 4 > 8
x > 24
If the radius of a circle is 5 cm, what is the circumference?
31.4 cm
What special day is it today?
Pi day
3/14
Solve for x
3(x - 4) = 9
x = 7
If your bill is $80, what is a 20% tip?
$16.00
Find one number that is a solution to this inequality
-58 > -7x - 9
Any number < 7
A circle has a circumference of 62.8 cm. What is the radius?
10 cm
If the area of a circle is 78.5 m2, what is its radius?
5 m
Solve for x
5x - 2 = 3x + 10
x = 6
Calculate a 10% tip on a $25.00 purchase.
$2.50
An angle measures 82o. What is the measure of an angle Supplementry to it?
98o
If the diameter is a circle is 12 m, what is the circumference?
37.68 m
A circular garden has a diameter of 10 ft. What is its area?
78.54 ft2
Solve for x
4(x + 1) = 2x + 14
x = 5
What is a 5% tip on a $150 bill?
$7.50
If you have a scale model of a television that is 1 cm : 6 in, how large would the real television be if the scale model is 9 cm?
54 in
A circle's circumference is 50.24 ft. What is the diameter?
16 ft
Calculate the area of a circle with a circumference of 43.96 in
153.86 in2
Solve for x
2(x+5) = 3(x - 2)
x = 16
If you left a $15.00 tip on a $60.00 bill, what % tip did you leave?
15%
If I am driving a bus on a Friday and pick up 15 kids on the first stop, drop off 8 on the second stop, but pick up 2, then on the third stop you drop off 5 and pick up 7. Then at you final stop you drop off 3 and only pick up 4.
Must answer both correct- How many legs on the bus at the end. AND what is the name of the bus driver?
26 legs (12 kids 1 bus driver)
Mr. Tweeton, I am driving the bus