Question
(a) If a fan has a rotational symmetry of order 4, how many blades are there in the fan?
(b) Name the quadrilateral which has both line and rotational symmetry of order more than 1. [2 MARKS]
(b) Name the quadrilateral which has both line and rotational symmetry of order more than 1. [2 MARKS]
Answer:
:
Each part: 1 Mark
(a)If a fan has rotational symmetry of order 4, thismeans that the fan looks exactly as it was before the rotation at four instances. This can only happen when it has four blades.
(b)Square has both line and rotational symmetry of order more than 1.
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:
Each part: 1 Mark
(a)If a fan has rotational symmetry of order 4, thismeans that the fan looks exactly as it was before the rotation at four instances. This can only happen when it has four blades.
(b)Square has both line and rotational symmetry of order more than 1.
Was this answer helpful ?
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