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area of a rectangle
L x W
area of a triangle
½ x b x h
area of a triangle using sine
½ x a x b x sin(angle)
area of a parallelogram
L x W
area of a trapezium
½ x (a+b) x h
area of a kite
½ x a x b
volume of a rectangular prism
L x W x H
volume of a triangular prism
½ x b x h x H
volume of a cylinder
π x (rxr) x h
volume of a pyramid
1/3 x (area of the base) x h
volume of a cone
1/3 x (πxrxr) x h
surface area of any prism
total area of all sides
surface area of a cylinder
(πxrxr) + πd x h
angles around a point
add to 360
angles on a straight line
add to 180
alterante angles
are equal
corresponding angles
are equal
allied / co-interior angles
add to 180
Interior angles of a triangle
add to 180
The sum of interior angles in a quadrilateral
add to 360
the sum of interior angles in a polygon
(n-2) x 180
interior angle of a regular polygon
180 - 360/n
exterior angles in a regular polygon
add to 360
exterior angle of a regular polygon
360/n
finding the gradient of a line
Ya - Yb / Xa - Xb
finding the midpoint of a line
(Xa+Xb divided by 2) and (Ya+Yb divided by 2)
finding the distance of two points on a straight line
√(Xa - Xb)squared + (Ya - Yb)squared
Note
Flashcard