The diagonals of rhombus FGHJ intersect at point K. If side GH is equal to 3x - 10 and side JH is equal to 6x - 19, find x.

1 answer

All 4 sides of a rhombus are equal.

GH = 3x-10.
JH = 6x-19.

GH = JH,
3x-10 = 6x-19,
6x-3x = 19-10,
3x = 9,
x = 3.