Workplace & Apprenticeship 10

Outcome 10.09Lesson #2

Setting the Context

• Read “Math on the Job” on page 187 of your Mathworks 10 text.

This is James’ large pizza which he usually cuts into 8 slices. If he cuts it into 16 slices instead, what will be the size of the central angle?

• This is James’ small pizza. He usually slices it into 6 slices but needs to make 12 slices. What angle will he need to use?

Bisecting Angles

• Brainstorm other angles that need to be bisected.

• What methods/tools might be used to bisect these angles?

• Discuss the following images in terms of angle bisectors.

Videos

• How to cut Mitres - http://www.thisoldhouse.com/toh/video/0,,1630892,00.html

• Question – What angles would need to be cut to frame an octagonal window?