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变量说明
a= shorter parallel baseb= longer parallel basec= left legd= right legP= perimeter
Perimeter
Add all four sides together.
Perimeter
…
Missing side
Rearrange to find any unknown side.
Find a
…
Find b
…
Find c
…
Find d
…
Isosceles trapezoid
When both legs are equal (c = d).
…
a= shorter parallel base
b= longer parallel base
c= left leg
d= right leg
P= perimeter
Deep Dive
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