Answer:
CD=14 cm and DE=21 cm
Step-by-step explanation:
Let the rhombus's side be x cm, DN=NF=FM=DM=x xm.
Triangles CDE and FNE are similar, thus,
or
Hence,
and
Since the perimeter of the triangle CDE is 55 cm, we have that
Therefore, CD=14 cm and DE=21 cm
x^2 - 3x + 9 - 5x + 10 = 0
x^2 - 8x + 19 = 0
Answer:
n
Step-by-step explanation:
hb
Answer:
261.5 ft^2
Step-by-step explanation:
Surface Area of a rectangular prism = Length x Width x Height
= 8.5ft x 6ft x 5.5ft
= 261.5 ft
Answer:
Factory
Step-by-step explanation: