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san4es73 [151]
3 years ago
13

Cos X Y 12 X 16 20 Z 4 A) 3/4 B) 4/3 C)3/5 D) 5/4

Mathematics
1 answer:
yanalaym [24]3 years ago
5 0

Answer:

C.

\cos X =  \frac{12}{20}  \\  =  \frac{3}{5}

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Can someone help me on this Please
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9514 1404 393

Answer:

  11.6 cm

Step-by-step explanation:

As the page title tells you, the Pythagorean theorem must be applied more than once. As you know, it tells you the square of the hypotenuse is the sum of the squares of the two sides.

  AD² = ED² +EA²

  EA² = AD²-ED² = 7² -6² = 13

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  CD² = ED² +EC²

  EC² = CD² -ED² = 10² -6² = 64

  EC = √64 = 8

__

The length of the horizontal diagonal is ...

  AC = EA +EC = 3.6 +8 = 11.6 . . . cm

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