Q.1
Which one of the following statements is correct?
  • It is only possible to construct one equilateral triangle with a 90° interior angle
  • It is only possible to construct two equilateral triangles with a 90° interior angle
  • It is impossible to construct an equilateral triangle with a 90° interior angle
  • It is only possible to construct one equilateral triangle with two 90° interior angles
Q.2
Which one of the following statements is correct?
  • In an acute triangle, only one of the interior angles is less than ninety-degrees
  • In an acute triangle, all of the interior angles are less than ninety-degrees
  • In an acute triangle, only two of the interior angles is less than ninety-degrees
  • In an acute triangle, the shortest side is opposite the largest acute angle
Q.3
Which one of the following statements is incorrect?
  • A scalene triangle has all of its interior angles different
  • A scalene triangle has all of its sides equal in length
  • A scalene triangle has all of its sides different in length
  • If all three angles of a triangle are different, then it's a scalene triangle
Q.4
Which one of the following statements is incorrect?
  • A triangle has three sides
  • A triangle has three vertices
  • The sum of the interior angles of a triangle is greater than 180°
  • A triangle has three interior angles
Q.5
Which one of the following statements is correct?
  • The hypotenuse of a right triangle is always opposite the smallest angle
  • The hypotenuse of a right triangle is always the shortest side
  • The hypotenuse of a right triangle is always opposite the right-angle
  • The longest side of a triangle is called the hypotenuse
Q.6
Which one of the following statements is incorrect?
  • An isosceles triangle has an axis of symmetry
  • An isosceles triangle has two of its angles the same
  • An isosceles triangle has two of its sides the same length
  • An isosceles triangle has all of its sides equal in length
Q.7
Which one of the following statements is incorrect?
  • An obtuse triangle has two interior obtuse angles
  • An obtuse triangle has one interior obtuse angle
  • In an obtuse triangle, the longest side is opposite the obtuse angle
  • An obtuse triangle is a triangle that has an interior angle greater than 90°
Q.8
Which one of the following statements is incorrect?
  • In a triangle whose sides are not the same length, the length of the longest side is shorter than the sum of the lengths of the other two sides
  • The longest side of a triangle is always opposite the biggest interior angle
  • The shortest side of a triangle is always opposite the smallest interior angle
  • The longest side of a triangle is sometimes opposite the smallest interior angle
Q.9
Which one of the following statements is correct?
  • Only two equiangular triangles can be constructed
  • Only three equiangular triangles can be constructed
  • Many equiangular triangles can be constructed
  • Only one equiangular triangle can be constructed
Q.10
Which one of the following statements is correct?
  • In a right triangle, the square of the length of the hypotenuse equals the sum of the squares of the lengths of the other two sides
  • In a triangle, the square of the length of the hypotenuse equals the sum of the squares of the lengths of the other two sides
  • In a triangle, the square of the length of the longest side equals the sum of the squares of the lengths of the other two sides
  • In a right triangle, the square of the length of one side equals the sum of the squares of the lengths of the other two sides
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