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bezimeni [28]
2 years ago
8

Find the missing lengths in the triangle. round to the nearest tenth if necessary

Mathematics
1 answer:
lubasha [3.4K]2 years ago
7 0

Answer:

x=8,\\y\approx 6.9

Step-by-step explanation:

The side lengths of all 30-60-90 triangles are in ratio x:x\sqrt{3}:2x}, where 2x is the hypotenuse of the triangle and x is the side opposite to the 30 degree angle.

In the given diagram, the side labelled 4 is opposite to the 30 degree angle. Since x is labelled as the hypotenuse of the triangle, x must be 4\cdot 2=\boxed{8}.

Variable y must then represent x\sqrt{3} for x=4, yielding y=4\sqrt{3}\approx \boxed{6.9}

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