Question
Download Solution PDFThe area of a circle is 40 π2. The area of a square with sides equal to radius of the circle is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Area of circle = πr2, where r = radius of circle
Area of circle = a2, where a = side of square
Calculation:
Let radius of circle = r
⇒ πr2 = 40 π2
⇒ r2 = 40π
According to the question, side of square = radius of circle
⇒ Side of square = r
⇒ Area of square = r2 = 40π
∴ Area of square = 40π
Last updated on May 25, 2025
-> The Bihar Primary Teacher (BPSC TRE 4.0) examination will be held in August, 2025.
-> The Bihar Public Service Commission is expected to release more than 90,000 Vacancies for the BPSC TRE 4.0 in which the vacancies of Primary Teachers (classes 1-5) for recruitment through BPSC TRE 4.0 will be announced in the coming days.
-> Candidates who have qualified for CTET Paper I or BTET Paper I are eligible for this post.
-> The selection is based on a written examination of 150 marks.
-> Candidates must refer to the BPSC बिहार प्राथमिक शिक्षक भर्ती (PRT) Mock Test to boost their overall preparation for the examination.