Question

Write the following statements in ‘if-then’ form. 

i. The opposite angles of a parallelogram are congruent. 

ii. The diagonals of a rectangle are congruent.

iii. In an isosceles triangle, the segment joining the vertex and the midpoint of the base is perpendicular to the base.

Answer 1

i. If a quadrilateral is a parallelogram, then its opposite angles are congruent. 

ii. If a quadrilateral is a rectangle, then its diagonals are congruent.

iii. If a triangle is isosceles triangle, then segment joining the vertex of a triangle and midpoint of the base is perpendicular to the base.