Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

P=19.2 ft

Step-by-step explanation:

By the Triangle midsegment theorem, you have:

EF=1/2AB

DE=1/2BC

 DF=1/2AC

Then, the lengths of the sides of the triangle are:

AB=2EF=8 ft

BC=2DE=6.4 ft

AC=2DF=4.8 ft

Add them to obtain the perimeter, then you obtain the following result:

P=8 ft+6.4 ft+ 4.8 ft

P=19.2 ft

step-by-step explanation:

divide, then simplify your answer.

1. make -15.66 ÷   5.8 a fraction. then divide.

2. simplify.  

3. final answer.