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Question
(a) Edward has a shining star as shown below. What is the total number of lines of symmetry in this star?
(b) How many lines of symmetry does a regular pentagon have? [2 MARKS]
(a) Edward has a shining star as shown below. What is the total number of lines of symmetry in this star?
(b) How many lines of symmetry does a regular pentagon have? [2 MARKS]
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Solution
Each part: 1 Mark
(a) In order to identify the total number of lines of symmetry, we first have to identify the line through which we can fold the figure in such a way that two parts can overlap each other. Hence we find that this figure has five lines of symmetry.
(b) A regular pentagon has 5 lines of symmetry.
Each part: 1 Mark
(a) In order to identify the total number of lines of symmetry, we first have to identify the line through which we can fold the figure in such a way that two parts can overlap each other. Hence we find that this figure has five lines of symmetry.
(b) A regular pentagon has 5 lines of symmetry.
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