Answer:
D: 11
Step-by-step explanation:
When I evaluated the expression, I got 11.
Hope it helps! :D
Step-by-step explanation:
the lengths OB, OC & BC together forms a isosceles triangle.
therefore,
OB=OC
3x+4=x+8
2x=4
x=2.
OB = 3x+4= 3.2+4=10cm.
OC= x+8= 2+8=10cm.
therefore, the diagonals are : 20cm each.
hope this helps you.
6x3=18
The room is 18ft long
100/2=50
The park is 50mm long