Yes it's A cos that's the correct answer
Answer: $24.47
Step-by-step explanation: I don’t understand the kilometers.
Answer:
cm^2
Step-by-step explanation:
area of an equilateral triangle =
(s = length of the side)
area = 
area = 
area =
cm^2
Answer:
300 squared feet.
Step-by-step explanation:
Area of a rectangle = length × breadth = 20 × 15 = 300 squared feet.