Multiple Choice Question (MCQ)
Question: What is the area of a circle of diameter 50 cm?
A.
1932.5 cm<sup>2</sup>
B.
1942.5 cm<sup>2</sup>
C.
1952.5 cm<sup>2</sup>
D.
1962.5 cm<sup>2</sup>
Correct Answer: 1962.5 cm<sup>2</sup>
Explanation
Helmet should be worn during overhead welding.