Question

In the figure above, R is the midpoint of and U is the midpoint of . If ST= 70, what is RU? Write the number only.

Answer 1

• 35 units

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RU is the midsegment, since its endpoints are midpoints of QS and QT.

The midsegment theorem states:

• The segment joining the midpoints of two sides of a triangle is parallel to and half the length of the third side.

Therefore:

• RU = ST/2 = 70/2 = 35 units