Important Questions of Triangles Mathematics | Zigya

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 Multiple Choice QuestionsShort Answer Type

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81.

In a huge park, people are concentrated at three points (see figure):



A: where there are different slides and swings for children,
B: near which a man-made lake is situated,
C: which is near to a large parking and exit. Where should an icecream parlour be set up so that maximum number of persons can approach it?

[Hint: The parlour should be equidistant from A, B and C.]

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82. Complete the hexagonal and star shaped Rangolies [see figures (i) and (ii)] by filling them with as many equilateral triangles of side 1 cm as you can. Count the number of triangles in each case. Which has more triangles?

(i)                                                                                     (ii)
                                


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 Multiple Choice QuestionsMultiple Choice Questions

83. The symbol for congruence is
  • =
  • ~

  • ° 
  • ° 
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84. Two circles are congruent. If the radius of one circle is 3 cm, what is the radius of the other circle?
  • 3 cm 
  • 6 cm
  • 1.5 cm
  • 1.5 cm
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85. Two circles are congruent. If the radius of one circle is 1 cm, then the diameter of the other circle is
  • 1 cm 
  • 2 cm
  • 4 cm
  • 4 cm
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86. Two circles are congruent. If the diameter of one circle is 2 cm, then the radius of the other circle is
  • 1 cm 
  • 2 cm
  • 3 cm

  • 3 cm

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87. If the diameter of a circle is 2 cm, what is the diameter of circle congruent to it?
  • 1 cm 
  • 2 cm
  • 4 cm   
  • 4 cm   
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88.  If the side of a square is a cm, then what is the side of a congruent square?
  • 1 cm 
  • 2 cm
  • a cm
  • a cm
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89. The side of an equilateral triangle is 4 cm. An equilateral triangle, congruent to it, has the side length
  • 1 cm 
  • 2 cm
  • 3 cm
  • 3 cm
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90. The symbol for correspondence is
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