In an isosceles trapezoid ABCD, the smaller base BC = 5 cm, the angle ABC = 135 degrees
| July 22, 2021 | education
In an isosceles trapezoid ABCD, the smaller base BC = 5 cm, the angle ABC = 135 degrees, the height of the trapezoid is 3 cm. Find the larger base.
The heights lowered to the larger base from obtuse angles will divide it into three parts, one of which is equal to the smaller one. The height also forms a triangle, in which two sides are equal, one is the height, and the other is part of the larger base.
5 + 3 + 3 = 11 centimeters.
Answer: 11 centimeters.
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