# Right triangle ABC

Calculate the perimeter and area of a right triangle ABC, if you know the length of legs 4 cm 5.5 cm and 6.8 cm is hypotenuse.

Result

o =  16.3 cm
S =  11 cm2

#### Solution:

$o=4+5.5+6.8 = \dfrac{ 163 }{ 10 } = 16.3 \ \text{ cm }$
$S=4 \cdot \ 5.5/2 = 11 \ cm^2$

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