Find the perimeter of the figure to the nearest hundredth.
2 answers:
The circumference of a circle is pi(d). Since the bottom half of the shape is a semicircle, we know the radius is 9 and the diameter 18. So, the circumference (aka perimeter) of that semicircle would be (3.14x18)/2. Then add 5+5+12in.
Answer:
50.26 units.
Step-by-step explanation:
Perimeter of the given picture = perimeter of trapezoid with 3 sides + perimeter of semicircle.
Perimeter of trapezoid = 12 + 5 + 5
= 17 + 5
= 22
Perimeter of semicircle = π r
= π × 9
= 3.19 × 9
= 28.26
Now perimeter of the figure = 28.26 + 22
= 50.26 units.
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