Geometry Formula

Geometry Formula

Square Properties :

P = Perimeter
A = Area
S = Side
d = diameter

P = 4 x s
A = S2
d = a x √2

 

Rectangle Properties :

P = Perimeter
A = Area
d = diameter

P = 2 x ( a + b )
A = a x b
d = √a2 + b2

 

Triangle Properties :

P = Perimeter
A = Area

P = a + b + c
A = b x h / 2

A = √s(s – a)(s – b)(s – c);

s = a + b + c / 2 = p / 2.

α + β + γ = 180o

 

Circle Properties :

P = Perimeter
A = Area

 

P = 2πr

A = πr2

π = 3.14

 

Parallelogram Properties :

P = (a + b) x 2
P = 2a + 2b

A = bh = ab sin α

 

Circular Sector Properties :

 

 

L = πr = θ / 180 0

A = πr2 θ/360 0

 

Pythagorean Theorem :

a2 + b2 =  c2

c = √a2 + √b2

 

Circular Ring Properties :

A = π (R2 – r2)

 

Sphere Properties :

S = 4πr2

V = 4πr2 / 3

 

Trapezoid Properties :

P = a + b  + c + d

A = h x  a + b / 2

 

Rectangular Box Properties :

A =  2ab + 2ac + 2bc

V = abc

 

 

Right Circular Cone :

A = πr2 + πrs

S = √r2 +√h2

V = 1 x πr2 h / 3

 

Cube Properties :

A = 6l2

V = l3

 

Cylinder Properties :

A = 2πr( r + h)

V = πr2 h

 

Frustum of a Cone Properties :

V = 1 x πh (r2 + rR + R2) / 3

 

 

 

 

 

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