Answer:
5 and 11
Step-by-step explanation:
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<span>This construction uses Constructing the Perpendicular Bisector of a Line Segment to find the midpoints of the sides.
</span>To construct a midsegment, find the midpoint of two sides. This can be done by drawing a perpendicular bisector on one side of the triangle<span>.
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Answer: 94 cm^3.
Step-by-step explanation: You use the formula 2(ab+bc+ca). You plug in 3, 4, and 5 to get 94.