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Formula for Circumference of a circle:
pi x diameter or 2 x pi x radius
pi x diameter or 2 x pi x radius
Date Posted:
3 years ago
Perimeter (arc) of semicircle
= ½×π×28
= 44 cm
Perimeter for shaded parts
= 44 + 19 + 15
= 78 cm
= ½×π×28
= 44 cm
Perimeter for shaded parts
= 44 + 19 + 15
= 78 cm