β Formulas for different shapes β
What is the formula for the area of squares/rectangles?
A = l x w
What is area?
The amount of space inside a shape.
And is going to the subway train to travel to his friend's house. If his subway token had a diameter of 2 centimetres. What is the token's radius?
1 cm.
What do you do to convert to a larger unit?
Move the decimal point to the left or divide by 10 each time (e.g: ml -> cl -> dL).
The rAdius of a circle is 1 kilometre, what's is the circle's area?
3.14 km.
What is the formula for finding with perimeter in a rectangle/square?
(2W + 2L) or 2(l+w)
(you can still add up the measurements but its more convenient to use this way)
What is a radius?
The distance from the center of the circle to any point on the circle.
Levi has a circular window. It has a radius of 3 sqaare metres. What is the window's area?
28.26 square metres.
What do you do to convert into a smaller unit?
Move the decimal point to the right or mutiply by 10 each time you move to a unit (e.g, km -> hm -> dm).
The diameter of a circle is 34 kilometres, what's the circle's circumference?
106.76
What is the area of a triangle?
A = 1/2 Γ b Γ h
What is a diameter?
The distance across the circle through the center. It's twice the radius that looks like a straight line.
The button on Chicken's coat has a radius of 4 millimetres. What is the button's circumference?
25.12 mm.
A stick is 5 meters long. How many decimeters is it?
50 dm.
The circumference of a circle is 113.04 metres. What is the circle's radius?
18 meters.
What is the formula for circumference of a circle?
C = 2Οr
What is a Circumference?
The distance around the circle.
Akira's drink coaster has a diameter of 6 centimetres, what is the coaster's circumference?
18.84 cm.
A peach is 7 centimeters long. How many mm is it?
70 mm.
The radius of a circle is 8 kilometres. wHat is the circle's circumference?
50.24 km.
What is the formula for area of a circle?
A = Ο(d/2)2
A = Οr2
What is a Chord?
A line segment that connects two points on the circle.
During a school trip, the volunteers helping out were handing out free buldak cups. If the top of the buldak cup's diameter was 10 cm, what would be the circumfernce?
31.4 cm.
Oum is eating a apple. If it was 10 cm, how many metres would is be?
0.1 m.
The circumference of a circle is 31.40 millimetres. What is the circle's diameter?
10 mm.