defence exam Army Havildar SAC Mock Test Series 2025 Quantitative Aptitude Mensuration Plane Figures
A circular arc whose radius is 4 cm makes an angle 45° at the centre. Find the perimeter of the sector formed.
(Take π = \(\frac{22}{7}\))
1
\(\frac{78}{7}\) cm
2
\(\frac{72}{7}\) cm
3
\(\frac{74}{7}\) cm
4
\(\frac{76}{7}\) cm