11.2 Areas of Pgrams and Triangles Flashcards
1
Q
area of a pgram thm
A
the area of a parallelogram is the product (*) of its base and the corresponding height, or A=bh
2
Q
base=…
height=…
A
originally part of pgram
could be drawn outside the shape
3
Q
‘=…
“=…
A
feet
inches
4
Q
area of a triangle thm
A
the area of a triangle is HALF of the product (*) of the base and corresponding height, or A=1/2bh
5
Q
corresponding height
A
the length of an altitude (must be perpendicular to the base) drawn to a chosen base (OR the like containing the chosen base)
6
Q
Heron’s formula
A
s=1/2(a+b+c)
AND
A=SQUARE ROOT OF s(s-a)(s-b)(s-c)
