Mahabir Singh Solutions for Chapter: Understanding Elementary Shapes, Exercise 2: ACHIEVERS SECTION (HOTS)

State ‘T’ for true and ‘F’ for false.

          (a) A quadrilateral is a five sided polygon.

         ( b) All the four sides of a rhombus are equal.

         (c) A trapezium has all angles equal.

         (d)  Half of a revolution is a straight angle.  

Select the INCORRECT option.

Which of the following figures satisfy the given conditions?
Fig.(i) Faces : $4$      Fig.(ii) Faces : $5$
         Edges : $6$                  Edges : $9$
       Vertices : $4$                 Vertices : $6$

Fill in the blanks.

(i) The opposite sides of a parallelogram are $\underline{P }$and $\underline{Q}$.
(ii) A quadrilateral having only one pair of opposite sides parallel is called a $\underline{R}$.
(iii) A parallelogram having all sides equal is called a $\underline{S }$.

Which of the following statements is CORRECT?