Answer:
cos90* = 0.
Step-by-step explanation:
Look up the unit circle or type it into your calculator
Answer:
i got 54ft^2
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
the answer is 3 if you check very well
Answer:
area= 59.5 perimeter=31.6
Step-by-step explanation:
the area of the square is 49 because 7x7=49 and the area of the triangle is 3x7/2 because it is half of a rectangle so it is 10.5 + 49 = 59.5 and perimeter you add all the sides so 3+7.6+7+7+7= 31.6