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Mathematics 17 Online
OpenStudy (fionacndg):

HelP ME PLEASE! I NEED HELP RIGHT NOW PLEASE

OpenStudy (anonymous):

with what?

OpenStudy (fionacndg):

Find the area and perimeter of the polygon with vertices A( 3, 0), B(3, 4), C(5, 1), and D(-1,-3 ).

OpenStudy (fionacndg):

OpenStudy (anonymous):

will you give medal?

OpenStudy (fionacndg):

I will best answer and fan

OpenStudy (anonymous):

Area: -3 3 5 -1 -3 0 4 1 -3 0 --> -12 + 3 -15 + 0 = -24 down slope --> 0 + 20 -1 + 9 = 28 up slope Diff = 52 Area = 26 sq units

OpenStudy (anonymous):

Perimeter: Slope of AB = slope of DC Slope of BC = slope of AC Slope of AB = -1/slope of AD --> a rectangle Length of AB = sqrt(6^2 + 4^2) = sqrt(52) Length of AD = sqrt(2^2 + 3^2) = sqrt(13) Perimeter = 2*(AB + AD) = 6sqrt(13) ------------- Area = sqrt(52)*sqrt(13) = sqrt(676) Area = 26, same answer as above

OpenStudy (anonymous):

ok area is 26 square units and perimeter is 6sqrt13 units

OpenStudy (fionacndg):

@boricua5 I have another question.. can you help? A circle with center passes through the point . What is the area of the circle rounded to the nearest square unit?

OpenStudy (anonymous):

area is approximately 6.3 square units

OpenStudy (fionacndg):

I have two more questions, do you think you could help???

OpenStudy (anonymous):

i could try , yeah (:

OpenStudy (fionacndg):

OpenStudy (fionacndg):

and the other is long... but i Just need some help......

OpenStudy (anonymous):

hey I also helped

OpenStudy (fionacndg):

@harryz yes you did, I really appreciated the time you took to answer my original question! that was kind of you!

OpenStudy (fionacndg):

any help would be greatly appreciated at this time.

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