11 months ago

PLEASEEEE help i know i am saying this again

Mathematics

1 answer:

BartSMP [9]11 months ago

6 0

Answer: for the first it is not direct varition while for the second one it i s

Step-by-step explanation:

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ABCD is a parallelogram and this figure is NOT drawn to scale.

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The angle does not matter. Think of it as finding the other side to a triangle. Use $a ^{2} +b^2 =c^2$

a=39 (line AB)
b=b (the leg we need to find)
c=89 (line BD)

$39^2 + b^2 = 89^2$
$1521 + b^2 = 7921$
(subtract the 1521 from both sides)
$b^2 = 6400$
(square root both sides)
$\sqrt{(b^2)} = \sqrt{6400} 
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b = 80
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