# Area of RT

In the right triangle has orthogonal projections of legs to the hypotenuse lengths 7 cm and 12 cm. Determine the area of ​​this triangle.

Correct result:

S =  87.1 cm2

#### Solution:

$S=\frac{1}{2}\left(7+12\right)\cdot \sqrt{7\cdot 12}$

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