year 8 math assignment week 4a

Area of a Rectangle

• A = 1/2h(b1 + b2)
• A = bh
• a = 1/2bh

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Which formula uses
∏r²

• area of a circle
• circumference of a circle
• area of a triangle
• area of a rectangle

Tags

CCSS.7.G.B.4

The following formula is for the area of:
A=½bh

• Rectangle
• Circle
• Triangle
• Trapezoid

Tags

CCSS.6.G.A.1

d = rt, for r

• r=t/d

• r=dt

• r = 𝒅/t

• r=td

 $v=lwh;\ for\ l$  

•  $l=vwh$  

•  $l=\frac{v}{wh}$  

•  $l=\frac{wh}{v}$  

•  $l=\frac{vw}{h}$  

Tags

CCSS.HSA.CED.A.4

 $C=2\pi r;\ for\ \pi$  

•  $\pi=\frac{C}{2r}$  

•  $\pi=\frac{2r}{C}$  

•  $\pi=C2r$  

•  $\pi=\frac{r}{2C}$  

Tags

CCSS.HSA.CED.A.4

 $ax-5\ =\ b;\ for\ a$  

•  $x\left(b+5\right)$  

•  $\frac{\left(b-5\right)}{x}$  

•  $\frac{\left(b+5\right)}{x}$  

•  $x\left(b-5\right)$  

Tags

CCSS.HSA.CED.A.4

 $ax-5\ =\ b;\ for\ a$  

•  $x\left(b+5\right)$  

•  $\frac{\left(b-5\right)}{x}$  

•  $\frac{\left(b+5\right)}{x}$  

•  $x\left(b-5\right)$  

Rearrange to make y the subject

 $y\ =\ w+c$  

•  $w=y+c$  

•  $w=y-c$  

•  $w=\frac{y}{c}$  

•  $w=yc$  

Rearrange to make y the subject
 $y-p=m$  

•  $y=p+m$  

•  $y=p-m$  

•  $y=m-p$  

•  $y=m+p$