Answer:
4b + 10c= T
Step-by-step explanation:
the awnser is -6
im very sure let me know if im wrong.
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.
Answer:
i believe it is 4. the formula is 2x -4