Find the area of the shaded region. Use 3.14 for pi.
1 answer:
Answer:
326
Step-by-step explanation:
First you find the area of the triangles. Since squares have equal sides we know that the triangle has a side of 20 and 12. We plug this information into the formula A=20x12/2 which equal 120 but since we have 2 triangles we multiply by 2 and get 240. Then we find the area of the square which is 400 when you multiply 20x20. Then you find the area of the circle which is 3.14x10^2 which equals 314. You add 240 and 400 to get 640. You subtract 460 from 314 and get 326.
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In A 4 year period, About 80,000 acres of coastal wetlands in United States are lost each year.
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since the 5x and -5x cancel out
you get y=-4
plug y=-4 into the first equation
solve for x
x=2
THE ANSWER IS: (2,-4)