WILL MEDAL AND FAN
What is the perimeter of trapezoid ABCD?
Round your answer to the nearest tenth.
A.
20.2 units
B.
16.1 units
C.
8.2 units
D.
4.1 units
pic is in comments!
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OpenStudy (laurenliz011):
OpenStudy (anonymous):
a, I'm gonna say a, correct me if I'm wrong please
OpenStudy (kfireangel):
ok, so to find the perimeter you have to add all the side lengths, correct? so what are all the side lengths added together?
OpenStudy (laurenliz011):
idk it doesn't say it just has a line through a graph
OpenStudy (kfireangel):
well its based on units so how many units is each side?
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OpenStudy (laurenliz011):
4, 4, 6, and 8
OpenStudy (kfireangel):
ok, now add the numbers
OpenStudy (laurenliz011):
20
OpenStudy (laurenliz011):
but a is 20.2
OpenStudy (kfireangel):
and which answer is closest to 20?
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OpenStudy (laurenliz011):
a i guess
OpenStudy (kfireangel):
:D good
OpenStudy (laurenliz011):
:))))
OpenStudy (kfireangel):
:)
OpenStudy (anonymous):
Gonna tell you how to do it first. You gotta divide the shape into 2 triangles and a rectangle
Gotta calculate the hypotenuse of the triangle using x^2 + y^2 = z^2
Can't just simply count it, if you didn't have multiple choice