Lesson 14 of 17
Checkpoint: perpendiculars, 60°, hexagons and floors
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A point is 30 mm above a line. Which compass span cannot cut the line?
You bisect a 60° corner twice. What corner do you get?
The compass span is a little longer than the circle's radius. You step it six times round. Where do you end?
A tangram's big triangle holds 4 small triangles. The whole square holds 16. What share is the big triangle?
A regular shape has a corner of 150°. Can copies of it fill a point?
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