Question
The perimeter of a square is equal to the perimeter of a
rectangle of length 56 cm and breadth 42 cm. Find the perimeter of a semicircle (in cm) whose diameter is equal to the side of the square (Use ฯ = 22/7)Solution
Perimeter of a rectangle = 2(56 +42) =196 cm = perimeter of a square = 196 cm 4 x side of a square = 196 cm ย side of a square = 49.cm diameter of semicircle =49 cm 2r= 49 cm r= 49/2 cm Perimeter of a semi-circle = ฯฮน +2r = (22/7 x 49/2) + 2 x 49 = (77+49) = 126 cm. The perimeter of a semi- circle is 126 cm.
Article 226 of the Indian Constitution empowers which authority to issue writs?
For what term is the 23rd Law Commission of India constituted?
How much wheat MSP has increased compared to 2014โ15 levels according to the latest figures?
How many medals did India win at the Paris Paralympics 2024?
Under the SIGHT programme, what is the awarded electrolyser manufacturing capacity?
Who won the AIFF Female Player of the Year award in 2024?
What was the purpose of bringing the Indian Cyber Crime Coordination Centre (I4C) under Section 66 of the PMLA?
What is the upper limit for limited tendering introduced in DPM 2025?
What has been the Centreโs dividend receipts from the Central Public Sector Enterprises (CPSEs) in comparison to the 2023-24 budget estimate (BE) of R...
What was the Supreme Court's stance on the Uttar Pradesh Madrasa Education Board Act in relation to state regulation?
Relevant for Exams:
