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3 years ago

15

What is the value of x and y

1 answer:

lidiya [134]3 years ago

4 0

If you have given an equation, you see the x and y in it. Just taking second equation and think any common factor between x's variable. With common factor, multiply both and you will find the value of y and put it in any equation, you will find the value of X

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True [87]

First

angle in front of c is 30°, so hypotenuse is equal to 2c

it's right triangle, so let's use Pythagorean theorem\

$(2c)^2=c^2+4^2\\4c^2=c^2+16\\3c^2=16\\\\c^2=\dfrac{16}{3} \\\\c=\dfrac{4}{\sqrt{3} } =\dfrac{4\sqrt{3} }{3 }$

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b - the base of the triangle, angles at the base are equal ⇒ cathets are equal

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2 years ago

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3 years ago

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Hope this Helps.

Good Luck

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3 years ago