Answer:
The actual formula for the circumference is 2rpi. But the radius multiplied by 2 is the diameter. They are both right. Plug it the values in the formul and you will see. Sry if it doesn't make sense
Step-by-step explanation:
Answer:
a. x/3.
Step-by-step explanation:
You divide to find a quotient so it is x / 3.
Step 1
find the area of the wall
area of the wall=10*20------> 200 ft²
step 2
if 200 ft²---------------------> contains 1 ton of briks
1800 ft²--------------------> x
x=1800/200------> x=18/2-----> x=9 tons
the answer is
9 tons
