5.1 The diagram shows an irregular hexagon with interior angles all equal to 120° made by cutting the corners off a piece of card in the shape of an equilateral triangle with sides of length 20 units. An identical hexagon could also be made by cutting the corners off a different equilateral triangle: what is the side length of this triangle? 23 25 27 13 29 3 10 11 6 31

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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5.1 The diagram shows an irregular hexagon with interior
angles all equal to 120° made by cutting the corners off a piece
13
11
of card in the shape of an equilateral triangle with sides of
length 20 units.
4
6,
An identical hexagon could also be made by cutting the corners
10
off a different equilateral triangle: what is the side length of this triangle?
23
25
27
29
31
Transcribed Image Text:5.1 The diagram shows an irregular hexagon with interior angles all equal to 120° made by cutting the corners off a piece 13 11 of card in the shape of an equilateral triangle with sides of length 20 units. 4 6, An identical hexagon could also be made by cutting the corners 10 off a different equilateral triangle: what is the side length of this triangle? 23 25 27 29 31
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