Question

hey guyz help me..

solve step by step..

solve 10 question...​

Answer 1

Apply the formula of area of sector:

as there are 8 ribs so:

8×area of sector..

Answer 2

Umbrella makes 360°, each angle measures 45°

so 45/360×22/7×45×45=795.43

The area between the two consecutive ribs of the umbrella is 795.43 cm^2

Hope this will help you.