EOY Flashcards
(26 cards)
Formulae of area and perimeter of a Square
l squared 4l.
Formulae of area and perimeter of rectangle
2(l+b) and lb
Formulae of area and perimeter of triangle
a+b+c and 1/2 (a+b)h
Formulae of area and perimeter of parallelogram
bh and 2(a+b)
Formulae of area and perimeter of trapezium
1/2 (a+b)h and a+b+c+d
formula of surface area and volume of cube
6( a^2) and a^3
formula of surface area and volume of cuboid
lbh and 2(lw+hl+wl)
what’s a mode
the most repeated number.
what’s a median
the middle number
what’s a mean
Average
how many subsets of {1,3,5,7}
16
2^n = 2^4 = 16 = 16 subsets.
true or false?
B = {7,4,3,5,8}
1 E B
False
0 E B
False
8 E B
True
4 E B
True
11 E B
False
A = {x:x is a negative integer between -10 and -1 inclusive}
{-9,-8,-7,-6,-5,-4,-3,-2}
B = {x:x is a vowel in the word HAPPY}
{A}
State whether it is an empty set or not.
bald men w a crew cut
EMPTYYY
polar bears living in the sahara desert
EMPTYY
buses w 50 seats
NOT EMPTY
State whether finite or infinite set
{1,2,3,4,5,6,7…}
INFINITE