Question

Write T for true and F for false in the following statements 1. A triangle whose all sides are equal is known as an isosceles triangle. 2. An equilateral triangle cannot have its all angles 'less than' or 'more than 60°. 3. All rectangles are parallelograms. 4. All parallelograms are rhombuses. 5. All squares are not rhombuses.​

Answer 1

Answer:

false

true

true

true

true

Answer 2

Answer:

1. False

2. True

3. True

4. Not every parallelogram is a rhombus, though any parallelogram with perpendicular diagonals (the second property) is a rhombus. In general, any quadrilateral with perpendicular diagonals, one of which is a line of symmetry, is a kite.

5. False (square is a rhombus with all the angles equal (to 90°) )