19
WorkPad
Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your work. Your teacher will review each step of your response to ensure you receive proper credit for your answer.
Find the area for the circle (use 3.14 for pi). Show your work. Round to the nearest tenth.
circle
(3 points)
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20
Find the circumference of the circle (use 3.14 for pi). Show your work. Round to the nearest tenth.
circle
(3 points)
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21
Find the area of the irregular figure (use 3.14 for pi). Show your work. Round to the nearest tenth.
irregular figure
(3 points)
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Short Answer
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22
Write a sequence of transformations that maps quadrilateral ABCD onto quadrilateral A''B''C''D''in the picture below.
graph
(2 points)
I can't quite see your work for this assignment.
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To find the area of a circle, you can use the formula A = πr^2, where A is the area and r is the radius of the circle.
To find the circumference of a circle, you can use the formula C = 2πr, where C is the circumference and r is the radius of the circle.
For the given question, I would need the radius or diameter of the circle to find the area and circumference.
To find the area of the irregular figure, you would need to break it down into simpler shapes such as triangles and rectangles, calculate the area of each individual shape, and then add them up to find the total area of the irregular figure.
Unfortunately, without further information or a diagram provided, I cannot provide the specific solution or steps to find the area of the irregular figure or perform the requested transformations.