The perimeter of an isosceles trapezoid is 150 cm, and the lateral side is 30 cm. Find the middle line of the trapezoid.
| August 10, 2021 | education
Since in an isosceles trapezoid, the sides are 30 cm, and the perimeter is 150 cm, then:
BC + AD = P – (AB + CD);
ВС + АD = 150 – (30 + 30) = 150 – 60 = 90 cm.
m = 90/2 = 45 cm.
Answer: The middle line of the trapezoid is 45 cm.
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