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Nookie1986 [14]
2 years ago
12

Please help I don’t understand

Mathematics
2 answers:
Stella [2.4K]2 years ago
6 0
Y = 22

X is 5. Plug 5 into X and solve to get Y
iragen [17]2 years ago
4 0

Answer:

The answer is 22 because...

Step-by-step explanation:

x=5

5x5-3=

25-3=22 your welcome have a great day!

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Find the area of an equilateral triangle with apothem 7 cm. Round to the nearest whole number
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hypotenuse /opposite leg = sin angle,
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this is just second way to do this problem, that I did at first (either way is correct)
<span> apothem divides one side by half,
so we get small right triangle with sides x hypotenuse, x/2 is one leg , and 21 is another leg
</span>by Pythagorean theorem 
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x²-x²/4=441
3x²/4=441
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x²=1764/3
x=42/√3
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Assoli18 [71]
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