Please solve question no.7.

D e a r S t u d e n t, B e l o w i s t h e s o l u t i o n t o P a r t (a) (a) (i) F r o m t h e F i g u r e w e c a n i n f e r, t h a t s h a d e d p o r t i o n i s h a l f o f t h e t o t a l c i r c l e a r e a H e n c e 308 = \frac{{πr}^{2}}{2} r^{2} = \frac{616}{π} = \frac{616}{3.14} \approx 196 Thus r \approx 14 = Radius of circle = OA = OC Thus AC = OA + OC = 14 + 14 = 28 cm (ii) We know circumference = 2 πr = 2 \times 3.14 \times 14 = 87.92 \approx 89 cm For remaining questions please ask it in a separate thread for rapid assistance from our experts Regards

View Full Answer