Here is a five-sided polygon. Describe or show the strategy you would use to find its area. Mark up and label the diagram to sho
1 answer:
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First we find the area of the rectangle. Area of a rectangle = length * width.
The width is 19 as given. The length is the the diameter of the circle. The diameter of the circle is 2 * the radius. They give us the radius of 6.
19 * (2*6) = 19(12) = 228
Now we find the area of the circle. Half the circle however is already included in the area for the rectangle so we will use the area of the circle formula of: A =
r² and divide it by 2.
A =(6)² = 36
Now divide it by 2 and simplify
36 / 2 = 18. Leave this way until we are at the end.
Now put the two together.
228 + 18. Put this into your calculator to see the exact answer. The one I will give is an approximation.
Area of the entire shaded area is approximately (≈) 284.549 ft² or 284.549 square feet.
The width is 19 as given. The length is the the diameter of the circle. The diameter of the circle is 2 * the radius. They give us the radius of 6.
19 * (2*6) = 19(12) = 228
Now we find the area of the circle. Half the circle however is already included in the area for the rectangle so we will use the area of the circle formula of: A =
A =
Now divide it by 2 and simplify
36
Now put the two together.
228 + 18
Area of the entire shaded area is approximately (≈) 284.549 ft² or 284.549 square feet.
Answer:
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