0 votes 0 votes Two arcs of lengths $a \; \text{cm}$ and $b \; \text{cm}$ subtend angles $60^{\circ}$ and $90^{\circ}$ at the centre of a circle respectively. The relation between $a$ and $b$ is : $b = \sqrt{2a}$ $3b = 2a$ $3a = 2b$ $a = \sqrt{2b}$ Quantitative Aptitude nielit2022feb-scientistd + – Lakshman Bhaiya asked Jul 22, 2022 • edited Aug 27, 2022 by Lakshman Bhaiya Lakshman Bhaiya 13.8k points 192 views answer comment Share See all 0 reply Please log in or register to add a comment.