Multiple choice

An umbrella has 8 ribs which are equally spaced. Assuming umbrella to be a flat circle of radius 45 cm. Find the area between the two consecutive ribs of the umbrella.

  1. $765.53cm^2$
  2. $895.63cm^2$
  3. $795.53cm^2$
  4. $700.03cm^2$
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C Correct answer
AI explanation

The total area of the flat circular umbrella is found by the area of a circle formula, giving pi multiplied by 45 squared, which equals 6358.5 square centimeters. Since the 8 ribs are equally spaced, the area between two consecutive ribs is one-eighth of the total circle area. Dividing 6358.5 by 8 gives the area between two consecutive ribs as 795.53 square centimeters.

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