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.

Correct answer:

o =  16.3 cm
S =  11 cm²

Step-by-step explanation:

$o=4+5.5+6.8=16.3\text{ cm}$

$S=4\cdot 5.5\mathrm{/}2=11{\text{cm}}^2$

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