Chapter 11 Flashcards
(11 cards)
1
Q
Area formula for circle:
A
πr^2
2
Q
Area formula for Parallelogram/rectangle:
A
L×w = b×h
3
Q
Area formula for trapezoid:
A
1/2(b1 + b2)h
4
Q
Area formula for rhombus/kite:
A
1/2 × d1 × d2
(Adding up triangles
5
Q
Area formula for regular n-gon:
A
Arp = 1/2 × a × s × n
6
Q
n=
A
Number of sides
7
Q
S =
A
Side length
8
Q
A=
A
Apothem
9
Q
Area formula for triangle:
A
B×h/2 = 1/2 × b × h
10
Q
Apothem:
A
A line from the center of a regular polygon at right angles to any of its sides.
11
Q
Remember…..
A
Sohcahtoa
