In the give figure, the sectors of two concentric circles of radii \( 7 \mathrm{~cm} \) and \( 3...

preview_player
Показать описание
In the give figure, the sectors of two concentric circles of radii \( 7 \mathrm{~cm} \) and \( 3.5 \mathrm{~cm} \) are shown. Find the area of the shaded region.
Рекомендации по теме