Answer:
Step-by-step explanation:
AC = n, DF = 28 cm

Answer:
I found this over the internet and hope it helps:
A rectangle is a quadrilateral with all four angles right angles. It follows form this that the opposite sides are parallel and of the same length. A square is a quadrilateral with all four angles right angles and all four sides of the same length.
Also note that a square is always a rectangle, but a rectangle is not always a square.
Answer: 40.82
Step-by-step explanation:
Use pythagoras theorem to solve
Root 35 squared + 21 squared = 40.82
Answer:
8 months
Step-by-step explanation:
3/4 of a tube per month = 1.5 tubes for two months = 3 tubes for four months.
Double the 3 tubes for four months to get 6 tubes for 8 months.