Subject
Bank Exam
Topic
এনআরবিসি ব্যাংক (টিএও) - ২৬.১০.২০২৪
The measurement of a rectangle is 16 feet by 12 feet. What is the area of the smallest circle that can cover this rectangle entirely (so that no part of the rectangle is outside the circle)?
The measurement of a rectangle is 16 feet by 12 feet. What is the area of the smallest circle that can cover this rectangle entirely (so that no part of the rectangle is outside the circle)?
ক)
100πsq. ftখ)
100 sq. ftগ)
192 sq. ftঘ)
128π sq. ftExplanation
দেওয়া আছে, আয়তক্ষেত্রটির দৈর্ঘ্য = 16 ফুট আয়তক্ষেত্রটির প্রস্থ = 12 ফুট ∴ আয়তক্ষেত্রটির কর্ণ = √(16 2 + 12 2 ) = √(256 + 144) = √400 = 20 ∴ আয়তক্ষেত্রটির কর্ণ = 20 ∴ বৃত্তের ব্যাস = 20 ফুট তাহলে, ব্যাসার্ধ = 20/2 = 10 ফুট ∴ বৃত্তের ক্ষেত্রফল = πr 2 = π × (10) 2 = 100π বর্গফুটRelated questions
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