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1 year ago

10

What is X? its just lines,

1 answer:

tresset_1 [31]1 year ago

8 0

Answer:

x= 8

Step-by-step explanation:
Angles ∠LPJ and ∠MPK are equal to each other

So ∠LPJ = $(3x+12)$

We can add angles ∠LPJ and angle ∠JPQ for a total of 90 degrees

Now with the below equation set up, you can solve for X.

$(3x+12)+(9x-18)=90$
$12x -6 = 90$
$12x = 96$
$x=8$

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Answer:

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Step-by-step explanation:

A. Distance between P(10, 50) and R(80, 10):

$PR = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$PR = \sqrt{(80 - 10)^2 + (10 - 50)^2}$

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$PR = \sqrt{4,900 + 1,600}$

$PR = \sqrt{6,500}$

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PQ = |50 - 10| = 40 yd

QR = |80 - 10| = 70 yd

Perimeter = 80.6 + 40 + 70

Perimeter = 190.6 yd

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