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Post a message or simply read what others have written and answered. Rachel, a RightStart™ Math user and one of our customer care people, will be monitoring this forum. She will respond to your questions as needed.

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Re: Lesson 109 level E

I don't think we are talking about the same lesson. :) We used worksheet 116 for lesson 106. Thanks.

Re: Lesson 109 level E

Well, now, don't I feel silly! :-)

However, you still need to use the circle included in Worksheet 119. (Assuming I am looking at the correct lesson and worksheet!). Once you draw the pentagon inside the circle provided on the worksheet, then you will cut it out of the circle. Cut along ONE of the radii and then fold it into a pyramid. (Pictures of the pyramid is included on the worksheet) After that, you will calculate the surface area of the pyramid.

I hope that has helped! :-)

Have a great day!
Rachel