Answer:
540 ft^2.
Step-by-step explanation:
The area of the trapezoid = h/2 (10 + 18) = 14h.
By Pythagoras the height h = √(5^2 - 4^2) = 3.
So the area of the 2 trapezoidal bases = 2 * 14*3
= 84 ft^2.
Now we calculate the area of the four lateral rectangular sides:
= 10*12 + 18*12 + 2*5*12
= 456 ft^2.
Total area = 456 + 54
= 540 ft^2.
Question 1 - the first choice is right
Question 2- the first choice also
Divide the bottom into the top for a decimal
Answer:
A, B, E
Step-by-step explanation:
Divide both sides by 8.2
Correct choices:
A.
B. The arrow points left.
E. There is a closed circle at 3.6.
