3 years ago

Pls help for brainliest answer

Mathematics

1 answer:

Makovka662 [10]3 years ago

7 0

Answer:

198.5 cm²

Step-by-step explanation:

The figure is composed of a central rectangle and 2 congruent semi- circular ends, equivalent to 1 circle with diameter = 10 cm, thus radius of 5 cm

length of rectangle = 22 - 5 - 5 = 12 cm, thus

area of rectangle = 10 × 12 = 120 cm²

area of circle = πr² = π × 5² = 25π ≈ 78.5 cm² ( to 1 dec. place )

Total area = 120 + 78.5 = 198.5 cm²

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