Radius+Diameter
what is the formula for the radius?
R=c/2𝝅
what are the two formulas for circumference if you know radius or diameter?
Radius= C=2𝝅r
Diameter= C= 𝝅d
How do you find the area of a circle?
A=𝝅r2
How do you find the volume of a rectangular prism?
V=whl
if one part of the circle graph takes up 83% then what is the percent of the other part?
what is the formula for Diameter
D=r/2
Susan bought a popsicle with a radius of 3.52cm. What was the circumference?
22.1056cm
how do you find the area of a half circle?
A=𝝅r2/2
What is the formula to find the volume of a cylinder?
V=𝝅r2h
the bakery can only buy $1000 worth of materials. they have 50% flour, 10% sugar, 20% yeast, and 20% milk. how much money would the 20% of yeast cost?
Formula= 20%=.20 x 1000= money. yeast would cost a total of $200 out of the $1000
Mandy is going to buy a carpet on amazon but needs to find the diameter. The radius is 7.52cm. What is the diameter of the circle?
15.04cm
Susan now has bought a popsicle with a raduis tripple the size of the firs one (3.52cm). what is the new circumferance
66.3168cm
Offelia is buying ice cream sandwich. The ice cream sandwich has a radius of 5.3cm. what is the area of the sandwich?
33.284cm2
if a rectangle has a lenght of 4cm a hight of 7cm and a width of 4cm what is the volume?
122cm3
Mitchell collected data from his class for which starburst taste/colour they like. 13 people likes red, 9 people liked yellow, and 8 people like pink. Mitchell put in a circle graph, what percantage of people liked the yellow starburst?
30% liked yellow
Kira bought a pie that has a circumferance of 7.92cm. what is the radius of the pie?
1.26114649682cm
Tiffeny has 15 unicorn badges. they are all circular and have a diameter of 2.33in. what is the total circumferance of all the badges together?
109.743in
Max borrowed a toy pizza and accedentially cut it into 8 pieces. The whole pizza had a circumference of 27.4cm What was the area of 4 pieces together?
13.7cm2
a cylinder has a hight of 10in a length of 20in a width of 14in and a radius of 30. what is the volume of that cylinder?
28260in3
Ryan ate 9 acorns on monday, 22 on tuesday, 29 on wednsdasy. He was banned from eating them on Friday. In total he ate 73. How many did he eat on Thursday?
13
cinderella was getting her hair ready for the ball. She decided to do the most circular bun. Since she loved math, she decided her bun would be a circumference of 10.74cm. What would the radius be?
1.7101910828cm
the lost boys got lost in a jungle. they only had a coconut to play with. since wendy tought them math they knew the diameter was 20.67cm what is the circumferance?
64.9038cm
Buster bought a pizza with a area of 3.46cm. he than ate half of the pizza. what is the new area
1.73cm2
a rectangle has a cylinder cut through the middle. the rectangle has a hight of 10m a length of 7m and a width of 3m. the cylinder has a hight of 10m and a diameter of 5. what is the volume of the cylinder and what is the volume of the rectangle?
147.5m3 is the new volume of the rectangle
Max asked the class (30 people) what their favorite pizza was. 5 said cheese, 17 said peperoni, and 8 people said hawiian. what fraction of the class liked hawiian?
26.67%