GCSE foundation

Which of these is the formula for the area of a circle?

• $A\ =\ \pi r^2$

• $A=2\pi r$

• $A=\pi d$

• $A=\frac{1}{2}\pi d^2$

The formula

Area = base x perpendicular height

gives the area of a ....

• trapezium

• kite

• triangle

• parallelogram

The formula for the area of a triangle is:

• $A\ =\ \frac{1}{2}bh$

• $A\ =\ \frac{1}{2}\left(a+b\right)h$

• $A\ =\ \frac{a+b}{2}\times h$

• $A=\frac{1}{2}\pi r^2$

V = area of a cross section x length

is the formula for:

• the volume of a sphere

• the surface area of a pyramid

• the volume of a pyramid

• the volume of a prism

Speed =

•  $D\div T$  

•  $T\div D$  

•  $D\times T$  

•  $D+T$  

 $C=\pi d\$  is a formula for the:

• area of a circle

• area of a semi-circle

• volume of a cylinder

• circumference of a circle

For density:

• $D=\frac{M}{V}$

• $D=MV$

• $V=\frac{D}{M}$

• $V=DM$

How many significant figures are there in 10.020 moles?

• 2

• 3

• 4

• 5

Write 1/3 as a decimal.

• 0.333...

• 1.3

• 1.333...

• 0.13