Mathematics
Which of the following statements is false?
Every equilateral triangle is an isosceles triangle.
Every isosceles triangle is an equilateral triangle.
Every parallelogram is a trapezium.
Every trapezium is a quadrilateral.
Triangles
2 Likes
Answer
Every equilateral triangle is an isosceles triangle — True (it has at least two equal sides).
Every isosceles triangle is an equilateral triangle — False (isosceles only has 2 sides equal; equilateral has all 3 sides equal).
Every parallelogram is a trapezium — True (it has at least one pair of parallel sides).
Every trapezium is a quadrilateral — True (it has 4 sides).
Hence, option 2 is the correct option.
Answered By
1 Like
Related Questions
If the sum of two angles is an obtuse angle, then which of the following is not possible?
one right angle and one acute angle
one obtuse angle and one acute angle
two acute angles
two right angles
If the sum of two angles is greater than 180°, then which of the following is not possible?
two obtuse angles
two right angles
one obtuse and one acute angle
one reflex and one acute angle
Which of the following statements is correct?
Every rhombus is a square.
Every parallelogram is a rectangle.
Every square is a rhombus.
Every rectangle is a square.
A quadrilateral whose each angle is a right angle is a
trapezium
parallelogram
rhombus
rectangle