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Wittaler [7]
3 years ago
7

What is the perimeter?

Mathematics
1 answer:
tamaranim1 [39]3 years ago
8 0

Answer:

21.3 unit

Step-by-step explanation:

side CB=\sqrt{(7^{2})+(2^{2})} =\sqrt{53}\\side CA=\sqrt{(5)^{2}+(2^{2})} =\sqrt{29}  \\side AB=\sqrt{(5^{2} )+(7^{2} )} =\sqrt{74}

Perimeter=\sqrt{53} +\sqrt{29} + \sqrt{74} =21.2676 unit

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20 + 2(3-5)^2 + 30/10 x 3
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45

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5 0
3 years ago
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Answer:

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In ΔCDE, the measure of ∠E=90°, the measure of ∠C=83°, and DE = 8.6 feet. Find the length of EC to the nearest tenth of a foot.
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Step-by-step explanation:

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2 years ago
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kumpel [21]

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Step-by-step explanation:

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   Where x does not = -1/3

6 0
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