In an isosceles trapezoid, one of the corners is 60, the lateral side is 8cm, and the smaller base is 7cm. Find the midline of the trapezoid.

univerkov | December 3, 2020 | education

height – VK.
from the triangle ABK we find AK = 8 cos60 = 4 cm.
since the trapezoid is isosceles, then the mirrored height will cut off the same segment from the base of AD.
base AD = 4 + 7 + 4 = 15 cm.
the middle line is calculated as follows: (7 + 15) / 2 = 11

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