polygons
Slides in this set (1)
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- an irregular hexagon has angles of 85, 50, 270, 55, 115, c
- find angle c.
- formula = (n-2)x180 (n = the number of sides that the shape has)
- (6-2)x180 = 720
- 85+50+270+55+115 = 305
- 305 + 270 = 575
- 720 - 575 = 14
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- GCSE Maths (Shape) Slide Set on polygons, created by Emily Dobbing on 10/12/2015.
- Created by
- Emily Dobbing
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