math formulas

Question 1

Area for a Square

Answer 1

A = s² or S x S

Question 2

Area for Rectangle:

Answer 2

A = L x W

Question 3

Area for Triangle

Answer 3

A = (b x h) ÷ 2

Question 4

Area for Circle

Answer 4

A = πr²

Question 5

Area for Trapezoid

Answer 5

A = h x [(B + b) ÷ 2]

Question 6

Area for Parallelogram

Answer 6

A= b x h

Question 7

Total Surface area of a Closed Cylinder:

Answer 7

TSA = πdh + 2πr²

Question 8

Lateral Surface area of a Right Rectangular Solid:

Answer 8

2 x L x H + 2 x W x H Or LSA = 2 (LH + WH)

Question 9

Total Surface Area of a Right Rectangular Solid:

Answer 9

TSA = 2LH + 2WH + 2LW

Question 10

VOLUME FORMULAS

Answer 10

Volume Shortcut = Area x Height

Question 11

Perimeter of Rectangles

Answer 11

P = 2 (w + h)

Question 12

Perimeter of Square:

Answer 12

P = 4s

Question 13

Perimeter of Triangle:

Answer 13

P = a + b + c

Question 14

Perimeter of Trapezoid & Parallelogram

Answer 14

P = a + b + c + d

Question 15

Circumference of a Circle:

Answer 15

πd

Question 16

Imperial Conversions foot to inches

Answer 16

12”

Question 17

Imperial Conversions** yard to feet

Answer 17

3 feet

Question 18

Imperial Conversions** 1 mile to yards

Answer 18

1760yd

Question 19

Angular Measurement**

Answer 19

hours
‘ = minutes Ex: 90° 48’ 16” = 90h 48m 16s
“ = seconds

Question 20

Star wars ratios

Answer 20

R1 D1 = R2 D2

Question 21

Drivers over driven

Answer 21

DR/D x RPM

Question 22

Degrees Celsius to degrees Fahrenheit

Answer 22

(°C x 9/5) + 32

Question 23

Degrees Fahrenheit to degrees Celsius:

Answer 23

(°F - 32) x 5/9

Question 24

soh

Answer 24

Sin = opp/hyp

Question 25

cah

Answer 25

cos = adj/hyp

Question 26

Toa

Answer 26

Tan = opp/adj

Question 27

Pythagorean theorem for hypotenuse

Answer 27

c2=a2+b2 2 meaning squared.

Question 28

Pythagorean theorem for adjacent or opposite

Answer 28

b2=c2﹣a2 2 being squared