Important Questions of Triangles Mathematics | Zigya

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101. In an isosceles triangle AB = AC and side BA is extended to D such that AB = AD. Then, the measure of ∠BCD is


  • 70° 
  • 90°
  • 60° 
  • 60° 
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102. In ∆ABC, AB = AC and ∠ABD = ∠ACD, then ∆BCD is


  • equilateral 
  •  isosceles
  • equiangular
  • equiangular
180 Views

103.  The measure of each angle of an equilateral triangle is
  • 30°
  • 45°
  • 60° 
  • 60° 
104 Views

104. In right triangle ABC, ∠C is a right angle. Then, the longest side is
  • AB
  • BC
  • CA 
  • CA 
110 Views

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105. The sum of the lengths of any two sides of a triangle is ...... the length of the third side.
  • greater than
  • less than
  • half of 
  • half of 
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106. The difference of the lengths of any two sides of a triangle is
  • greater than
  • less than

  • equal to
  • equal to
224 Views

107. The perimeter of a triangle is ...... the sum of its medians.
  • greater than
  • less than
  • equal to  
  • equal to  
115 Views

108. The sum of the three altitudes of a triangle is the perimeter of the triangle.
  • greater than
  • equal to
  • half of
  • half of
129 Views

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109. In the following figure, write the relation between AB and AC.


  • AB > AC

  • AB > AC

  • AB = AC

  • AB = AC

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110. In any triangle ABC, ∠A >  ∠B and ∠B >  ∠C, then the smallest side is
  • AB
  • BC
  • CA 
  • CA 
99 Views

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