Answer:
B
Step-by-step explanation:
Answer:
10240
Step-by-step explanation:
please explain this let me judge my solving
300÷2=150 per min, 6750÷45=150, 150 feet per min
Given:
Diameter of the hole = 30 cm
To find:
The area of the hole.
Solution:
The radius of a circle is always half of the diameter. It is given that the diameter of the hole is 30 cm. So, the radius of the hole is:


Area of a circle is:

Putting
and
in the above formula, we get



Therefore, the area of the hold is 706.5 square cm.