4 years ago

PLEASE HELP ASAP

Mathematics

2 answers:

Softa [21]4 years ago

8 0

Answer:

Step-by-step explanation:

You can clearly see that D is NOT a right angle.

(I know I'm late, but I'm answering just in case anyone else comes here.)

Archy [21]4 years ago

3 0

I feel like its either b or c

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Trava [24]

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and perimeter is adding all sides together so
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3 years ago

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Can anyone help me asap plzz.

zloy xaker [14]

Answer:

answer : D)

Step-by-step explanation:

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Find the permeter of a quadrilateral with vertices at C (2,4), D(1,1), E(5,0), and F(3,4). Round your answer to the nearest hund

denpristay [2]

Answer:

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Step-by-step explanation:

This is much easier to solve if you draw it out on a graph. The perimeter is the sum of all the sides. I used the Pythagorean theorem to find the hypotenuse.

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$dc = \sqrt{ {3}^{2} + {1}^{2} } = \sqrt{10} \\ cf = 1 \\ fe = \sqrt{ {4}^{2} + {2}^{2} } = \sqrt{20} \\ de = \sqrt{ {1}^{2} + {4}^{2} } = \sqrt{17} \\ \sqrt{10} + 1 + \sqrt{20} + \sqrt{17} = 12.76$