Perpendicular projections

In a right-angled triangle, the perpendicular projections of the legs on the hypotenuse have lengths of 3.1 cm and 6.3 cm. Calculate the perimeter of this triangle. Round the result to the nearest hundredth of a centimeter.

Correct answer:

o =  22.49 cm

Step-by-step explanation:

c1=3.1 cm c2=6.3 cm c=c1+c2=3.1+6.3=547=9.4 cm a=c c1=9.4 3.15.3981 cm b=c c2=9.4 6.37.6955 cm o=a+b+c=5.3981+7.6955+9.4=22.49 cm

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