find the length of missing sides of the parallelogram ABCD if ab=X cm and BC =X+6 cm and BC + AD is equal to 20 CM.. also find the length of the diagonal BD if the diagonal AC is equal to 7 cm which is 3.5 times of diagonal BD.
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Answer:
Step-by-step explanation:
Side of Rhombus are equal.
AB = BC = CD = DA
∴AC=
4×(side)
2
−(DiagonalBD)
2
AC=
4×(10)
2
−(16)
2
=
400−256
=
144
=12cm
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