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Mandarinka [93]

3 years ago

11

The legs of a right triangle are 3 units and 4 units long. Another right triangle is dilated from this triangle using a scale fa

ctor of 3. What are the side lengths and the perimeter of the dilated triangle?

1 answer:

torisob [31]3 years ago

4 0

Of, pythagoren triplet, 3,4,5 so the side lengths are multiplied by 3
you get 9,12,15 and the perimeter is 36.

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Find the perimeter of a rectangle that is 7 centimeters long and 7 centimeters wide

spayn [35]

Answer:

28cm

Step-by-step explanation:

2L+2W=

14+14=28

(It’s a square)

4 0

3 years ago

-1/2 +2=-x+7 how do you figure this out

Feliz [49]

Answer:

x = 5.5

Step-by-step explanation:

Solve for x by simplifying both sides of the equation, then isolating the variable.

$-\frac{1}{2} +2=-x+7$

$-\frac{1}{2} +2= 1.5$

$1.5=-x+7$

-7 -7

$-5.5 = -x$

Divide both sides by -1.

$5.5 = x$

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3 years ago

PLEASE HELP ME!!!!<br><br><br> Please show work thank you!

Vaselesa [24]

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use khan academy

Step-by-step explanation:

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7 0

3 years ago

Please answer quickly who ever answers the question correctly will get a brainlyest + 100 points.

bazaltina [42]

Answer:

Step-by-step explanation:

The perimeter is all the side lengths added together

In this case, the

perimeter = x + (x+4) + (x+6) = 3x + 10

The correct answer is the first choice

3 0

2 years ago

Anyone got answers need help

Mkey [24]

∠DCE = ∠BAE because of alternate interior ∠s

∠CDE = ∠ABE because of alternate interior ∠s

Triangle DCE is congruent to Triangle BAE because of ASA

AE = CE because of CPCTC

BE = DE because of CPCTC

4 0

3 years ago