Is the following triangle a right triangle

1 answer:

7 0

A
5×5=25 and 12×12=144
25+144=169
$\sqrt{169} = 13$

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viktelen [127]

Step-by-step explanation:

diameter: 8

radius: 4

height: 18

$A=2\pi rh+2\pi r^2\\A=2\pi(4)(18)+2\pi(4)^2\\A=2\pi(72)+2\pi(16)\\A=144\pi+32\pi\\A=176\pi$

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3 years ago

Deffense [45]

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Pepsi [2]

2x - 5x + 4 = 0
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Oksana_A [137]

Answer: 53 degree

Explanation:

AEB + BEC + CED = 180 degree
37 + 90 + CED = 180
CED = 180 - 127
CED = 53 degree

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VikaD [51]

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