math equations

lateral Area of a prism

La=Ph

Surface Area if a Prism

Sa=Ph+2B

Volume of a Prism

V=Bh

Lateral area of cylander

2PiRh

Surface area of a cylinder

LA+2(pi)r²

Volume of a cylinder

V=(pi) r² h

Lateral area of a pyramid

LA=1/2PL

Surface area of a pyramid

SA=1/2Pl+B

Volume of a Pyramid

V=1/3Bh

Lateral Area of a Cone

LA=(pi) r L

Surface area of a cone

SA=(pi)rL+(pi)r²

Volume of a Cone

V=1/3(pi)r²H

SA of a Sphere

4(Pi)r²

Volume of sphere

4/3 (pi) r³

Acute triangle numbers

A²+B²>C²

Right triangle numbers

A²+B²=C²

Obtuse triange Numbers

A²+B²<C²

Heart beat Meathod

H²=xy

Boomerange 1

A²=yc

Boomerange two or bookie

B²=xc

S(o/h) C(a/h) T(o/a)

Pythagorean theorem

A²+B²=C²

We used inverse for finding what

ANGELS

Angle of elevation

How a normal triangle is drawn looking up

Angel of depression

looking down hypotnuss is pointing down

Area of a parallelogram

BH

Area of triangles

A=1/2 BH

Area of Kites

A=1/2 d1d2

Area of rhombus

bh or ½ d1 +d2

Area of Equilateral triangles

A=S² root 3 /4

Area of polygons

½ a P

Arc Length

delta/360 2pi r

Area of the sector

delta/360 pi r²

Area of a trapezoid

½ h (b1+b2) or Mh

equation of a circle

(x-h)²+(y-k)²=r²