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3 years ago

Find the perimeter of a triangle with sides 11 inches, 5 inches, and 13 inches. Show your work.

Mathematics

1 answer:

Katarina [22]3 years ago

7 0

To find the perimeter, you add up all the sides.

11 + 5 + 13 = 29

29 inches is the perimeter.

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3 years ago

P1 = (1,5). P2 = (x,2) .p1p2=5

Alex787 [66]

$\qquad\qquad\huge\underline{{\sf Answer}}♨$

Let's use distance formula :

$\qquad \sf \dashrightarrow \: \sqrt{(x - 1) {}^{2} + (2 - 5) {}^{2} } = 5$

$\qquad \sf \dashrightarrow \: {(x - 1) {}^{2} + ( - 3) {}^{2} } = 5 {}^{2}$

$\qquad \sf \dashrightarrow \:(x - 1) {}^{2} + 9 = 25$

$\qquad \sf \dashrightarrow \:(x - 1) {}^{2} = 16$

$\qquad \sf \dashrightarrow \:(x - 1) = 16$

$\qquad \sf \dashrightarrow \:(x - 1) = \pm4$

$\qquad \sf \dashrightarrow \:x = 5 \: \: or \: \: - 3$

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2 years ago

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quester [9]

Answer:

Hey!

Try this!

Take the original price.

Divide the original price by 5.

Alternatively, divide the original price by 100 and multiply it by 20.

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Enjoy your savings!

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