If the area of a circle is 154 square units, what is the radius? Use π as 3.14.
Category: Math · Difficulty: hard
Hint: Area = πr². Rearrange for r.
Answer
7 units
Explanation
Using the formula A = πr², r = √(A/π) = √(154/3.14) which gives approximately 7.
This is a hard math riddle — a tricky one that takes a little thought. The answer is 7 units.
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