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Triss [41]
3 years ago
7

If a 12 cm altitude to the hypotenuse of a right triangle divides the hypotenuse into segments with ratio 3:2, what is the lengt

h of the hypotenuse

Mathematics
1 answer:
tiny-mole [99]3 years ago
3 0

Answer:

The length of hypotenuse is 10\sqrt{6} cm

Step-by-step explanation:

Let's  length of hypotenuse is x

Since, a 12 cm altitude to the hypotenuse of a right triangle divides the hypotenuse into segments with ratio 3:2

so,

First part of hypotenuse length is

=\frac{3}{5}x

Second part of hypotenuse length is

=\frac{2}{5}x

now, we can draw triangle

We can see that

triangles ABD and ABC are similar

so, the ratio of their sides must be equal

\frac{\frac{3x}{5} }{12}=\frac{12}{\frac{2x}{5}}

now, we can solve for x

\frac{3x}{5}\times\frac{2x}{5}=144

6x^2=3600

x=10\sqrt{6}

So,  

The length of hypotenuse is 10\sqrt{6} cm

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