Answer:
0.3043478
Step-by-step explanation:
...............
12
6
100
612/100
I hope this helps
Answer:
option B. 
Step-by-step explanation:
we know that
1) The two diagonals of a rhombus are perpendicular
2) The sum of the interior angles in any triangle must be equal to 180 degrees
Let
O ----> the intersection point of the diagonals of the rhombus
In the right triangle OAD

solve for x




76.2cm : 30in is the answer I think