Question

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Answer 1

Answer:

A ≈ 55.6 cm²

Step-by-step explanation:

The area (A) of the shaded region is calculated as

A = area of circle × fraction of circle

central angle of shaded region = 360° - 230° = 130° , then

A = πr² × $\frac{130}{360}$

   = π × 7² × $\frac{13}{36}$

   = 3.14 × 49 × $\frac{13}{36}$

   ≈ 55.6 cm° ( to the nearest tenth )