4. What is the height of a triangular sail whose base is 4 meters and area is 20 square meters?
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Circumference + perimeter =38
x = circumference of circle
find r in terms of x
2
r=x
r=
Area=r^2
so..
A=()^2
=(
)
=
(38-x) is perimeter
then
()^2
+ ()^2
then you graph it and it equals
16.716 cm the circumference of the circle
x = circumference of circle
find r in terms of x
2
r=
Area=
so..
A=
=
=
(38-x) is perimeter
then
(
then you graph it and it equals
16.716 cm the circumference of the circle