Subject
Bank Exam
Topic
Southeast Bank Ltd. - Probationary Officer - 2016
A circle has an area of 45cm2. What is the radius of the circle ?
A circle has an area of 45cm2. What is the radius of the circle ?
ক)
3.78 cmখ)
5.43 cmগ)
3.21 cmঘ)
4.35 cmExplanation
Solution: একটি বৃত্তের ক্ষেত্রফল 45 বর্গসেন্টিমিটার । বৃত্তের ব্যাসার্ধ কত ? The area of a circle = r 2 = 45 => r 2 = => r 2 = => r 2 = 14.3184 => r 2 = 14.319 => r = r = 3.78 cmRelated questions
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