Parallelogram perimeter

Triangle ABC has sides a = 5 cm, b = 3 cm, and c = 40 mm. K, L, and M are the midpoints of its sides. What is the perimeter of parallelogram KBLM in centimeters?

Final Answer:

o =  9 cm

Step-by-step explanation:

a=5 cm b=3 cm c=40/10=4 cm o=a/2+c/2+a/2+c/2=5/2+4/2+5/2+4/2=9 cm



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