In an isosceles trapezium ABCD, the length of the diagonal AC=12 cm. Then the length of the diagonal BD=
1 point
A.15 cm
B. 12 cm
C. 10 cm
D. None of these
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Additionally, an isosceles trapezoid must have two nonparallel sides that have equivalentlengths. Therefore, use the given information to apply the formula: Perimeter= Base one Base two (leg), where the length of "leg" is one of the two equivalent nonparallel sides
Assume the figure is an isoceles trapezoid. Adding these two values together, we get . Theformula for the length of diagonal uses the Pythagoreon Theorem: \displaystyle AC^2 = AE^2 + EC^2, where is the point between and representing the base of the triangle.
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