ch.17 per, area, vol (cylinder/sphere) Flashcards
1
Q
area of a triangle
A
b x h
———
2
2
Q
area of a parallelogram
A
breath x height
3
Q
area of a rhombus
A
breath x height
4
Q
area of a rectangle
A
length x width
5
Q
area of a square
A
length squared (l2)
6
Q
area of a trapezoid
A
(B x b) x h
——————
2
(see diagram in old maths copy 12/1/22)
7
Q
area of a circle
A
pie x radius squared
8
Q
circumference of a circle
A
2pie r or pie d(iameter)
9
Q
area of a semicircle
A
1/2 pie r squared
10
Q
circumference of a semicircle
A
1/2 (2pie) or 1/2 (pie d)
11
Q
area of a quadrant
A
1/4 pie r squared
12
Q
circumference of a quadrant
A
1/4 (2pie r) or 1/4 (pie d)
