I help solving these out can someone work through them with me????







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)

20. Find the circumference of the circle (use 3.14 for pi). Show your work. Round to the nearest tenth.

circle (3 points)

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)

Short Answer

Note: Your teacher will grade your response to ensure you receive proper credit for your answer.
22. Write a sequence of transformations that maps quadrilateral ABCD onto quadrilateral A''B''C''D''in the picture below.

how about some diagrams? Not available here. Interactive web sites don't translate well to a text-only site such as Jiskha.

You would do well to remember that for circles,

area = pi r^2
circumference = 2pi r

Do you see what's missing from your questions?

THANKS STEVE

Sure, I can help you work through these problems. Let's start with question 19:

To find the area of a circle, you need to use the formula A = πr^2, where A is the area and r is the radius of the circle. In this question, we are given π as 3.14, so we can substitute that value into the formula.

To calculate the area of the circle, we need to know the radius. The information about the radius is not provided in the question. If you have the radius, you can substitute it into the formula and calculate the area by squaring the radius and multiplying it by π.

Moving on to question 20:

To find the circumference of a circle, you need to use the formula C = 2πr, where C is the circumference and r is the radius of the circle. Again, in this question, we are given π as 3.14.

Just like in question 19, we need the radius in order to calculate the circumference. If the radius is given, you can substitute it into the formula and calculate the circumference by multiplying the radius by 2π.

Finally, let's tackle question 21:

To find the area of an irregular figure, we need more information about the shape and its dimensions. The question mentions using π as 3.14 for pi, but without knowing the specific shape and its measurements, we cannot find the area.

Moving on to question 22:

To write a sequence of transformations that maps one quadrilateral onto another, we need more information about the specific quadrilaterals and the desired mapping. The question mentions quadrilaterals ABCD and A''B''C''D'', but without more context or information, it is not possible to provide a specific sequence of transformations.

Overall, to solve questions 19-21, we need additional information or measurements provided in the problem. For question 22, we need more context or instructions regarding the specific quadrilaterals and the desired mapping.