Answer:

Step-by-step explanation:
Using the midpoint formula,
, we can find the coordinates that represents the position of the ship at noon.
Let
(given on the coordinate plane)
(given also)
Plug in the values into the formula and solve as follows:




Position of the ship at noon is best represented at 
Answer:
11cm2
Step-by-step explanation:
11cm2x10cm2/2 = 55cm2
Answer:
acute and obtuse
Step-by-step explanation:
the acute is less than 90 degrees and obtuse is more than 90 degrees