3ft per second on a still sidewalk (27/9) , 11ft on the moving sidewalk.(99/9)
Hope this helps!
because 1+1+1+1=4 and thats 4 1's 1+1=2 2+2=4
Answer:
40 square feet
Step-by-step explanation:
The area of a parallelogram is given by the formula ...
A = bh . . . . . base b, height h
Your figure shows a base length of 10 feet and a height of 4 feet.
The area is ...
A = (10 ft)(4 ft) = 40 ft²
well... 42+24=66 so the height of the attic is 66 feet
