shape formulas Flashcards
1
Q
parallelogram
A
base x perpendicular height
2
Q
trapezium
A
1/2(a+b) x h
3
Q
circle circumference
A
2 x pie x r
4
Q
area of a circle
A
pie x r(squared)
5
Q
surface area and volume of a cylinder
A
A cylinder’s volume is π r² h, and its
surface area is 2π r h + 2π r²
6
Q
surface area and volume of a sphere
A
Surface Area of a Sphere A = 4 π r2
Volume of a Sphere V = (4 ⁄ 3) π r3
7
Q
area and volume of a cone
A
The area of a cone is A = πr√(r² + h²) + πr²
while the volume of a cone is V = πr² ⋅ h⁄3.
8
Q
hypotenuse is the what of the right angle triangle
A
longest side KNOWN AS c
