OAR Test Questions and Answers- Formulas

OAR Formulas

Volume of a cone - Answer-V=(1/3)πr²h



Area of a triangle - Answer-A=(1/2)bh



Area of a circle - Answer-A=πr²



Volume of a regular prism - Answer-V=lwh



Volume of a cube - Answer-V=s³



Volume of a sphere - Answer-V=(4/3)πr³



Volume of cynlinder - Answer-V=πr²h



Outlier - Answer-1.5 x IQR above or below upper or lower bound



Z-score - Answer-z = (x - mean) / standard deviation



Area of a trapezoid - Answer-A=1/2h(b1+b2)



Distance formula - Answer-d = √[( x₂ - x₁)² + (y₂ - y₁)²]

, Circumpherence of circle - Answer-C=2πr



Arc length - Answer-arc = angle/360 x 2πr



Scale a polygon by "k" - Answer-(x,y) ---> (kx,ky)



Area of a sphere - Answer-A=4πr²



Velocity - Answer-V = distance(including direction) / time



Acceleration - Answer-A = change in velocity / time



Force - Answer-F = mass x acceleration



Momentum - Answer-M = mass x velocity



Work - Answer-W = force x distance

(newton meters)



Potential energy - Answer-PE = mass x acceleration of gravity x distance(y)

(newton meters)



Kinetic energy - Answer-KE=(1/2)mv²

(newton meters) -- v² = (2 x work output) / mass