Answer: 54
Step-by-step explanation:
Answer:
Perimeter of figure = 53.97cm
Given:
Diameter of circle = 21cm
Solution:
Radius = 21/2 = 10.5cm
Perimeter of a circle = Circumference of the circle = 2πr
Perimeter of semi circle = 2πr/2 = πr
So, Perimeter of the given figure = πr+diameter = 3.14*10.5+21 = 32.97+21 = 53.97cm
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Answers & Comments
Answer: 54
Step-by-step explanation:
Verified answer
Answer:
Perimeter of figure = 53.97cm
Step-by-step explanation:
Given:
Diameter of circle = 21cm
Solution:
Radius = 21/2 = 10.5cm
Perimeter of a circle = Circumference of the circle = 2πr
Perimeter of semi circle = 2πr/2 = πr
So, Perimeter of the given figure = πr+diameter = 3.14*10.5+21 = 32.97+21 = 53.97cm