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5 Mark Question

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2 questions · self-marked practice — reveal the answer and mark yourself.

Question 15 Marks
Identify the symmetrical instruments from your mathematical instrument box.
Answer
(i)
(ii)
(iii)
(iv)
(v)
A protractor
A divider
A ruler (scale)
A eraser
A pencil
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Question 25 Marks
Complete the following table:
No. Shapes Rough figure Number of lines of symmetry
(i) Scalene triangle 0
(ii) Isosceles triangle 1
(iii) Equilateral triangle    
(iv) Rectangle    
(v) Square    
(vi) Parallelogram    
(vii) Rhombus    
(viii) Line    
(ix) Line segment    
(x) Angle    
(xi) Isosceles trapezium    
(xii) Kite    
(xiii) Arrow head    
(xiv) Semi-circle    
(xv) Circle    
(xvi) Regular pentagon    
(xvii) Regular pentagon    
Answer
No. Shapes Rough figure Number of lines of symmetry
(i) Scalene triangle 0
(ii) Isosceles triangle 1
(iii) Equilateral triangle 3
(iv) Rectangle 4
(v) Square  
(vi) Parallelogram 0
(vii) Rhombus 2
(viii) Line Infinitely Many
(ix) Line segment 1
(x) Angle 1
(xi) Isosceles trapezium 1
(xii) Kite 1
(xiii) Arrow head 1
(xiv) Semi-circle 1
(xv) Circle Infinitely Many
(xvi) Regular pentagon 5
(xvii) Regular hexagon 6
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