Area of Circles
starstarstarstarstarstarstarstarstarstar
by Felix Gabathuler
| 9 Questions

# Everyone should watch the following video to understand how to find the area of a circle. You're going to have to answer a question about the video... so make sure you actually watch it!

1
1
After watching the video above, briefly describe, in your own words, why the area formula of a circle is

2
1
Before we get into areas of compound shapes, we have to make sure that we know how to find the area of a circle. If you know how to do that, move on to the following lesson. If you'd like some help, click on the following video. See you on the other side!

# Area of Circles

Not finished
Kinda finished
100% Finished and correct
3
1
Looking at the picture above, about how many lengths of r (the radius) would fit on the circumference of the circle. Round to the nearest whole number!
4
1
In your notebook, use a ruler and your compass to draw a circle with an area of 50.24 cm squared. Attach a screenshot of your perfectly circular circle below. (Include relevenat measurements such as radius and diameter in your drawing)
5
1
Using the picture above, find the area of the circle. Use 3.14 to represent pi. Round your answer to the nearest whole number.
6
1
If the perimeter of the square above is 24, what is the area of the circle? Round your answer the nearest tenth.
7
1
8
1
Find the area of the shaded region of the quarter of a circle above. Round your answer to the nearest hundredth.
9
1
Test your knowledge! Complete the challenge lesson below!

# Area and Circumference Challenge

Yikes! I'm scared!
Tried it! Beat it! Loved it! I'm done
I'm a weenie and don't like challenges...