The base of the trapezoid is 13 cm and 4 cm. What is the middle line of the trapezoid?

The middle line of a trapezoid is a line segment connecting the midpoints of the sides of the trapezoid. The middle line of the trapezoid is equal to the half-sum of its bases.

1) Find the sum of the grounds:

13 cm + 14 cm = 27 cm;

2) Find the half-sum of the bases (divide the sum in half):

27 cm / 2 = 13.5 cm – the middle line of the trapezoid.

Answer: 13.5 cm.

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