CBSE Class 7 Mathematics Question 3 of 6

Geometric Twins — Question 3

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Question
What measurements would you take to create a figure congruent to a given: (a) Circle (b) Rectangle Using this, state how you would check if two (a) Are circles congruent? (b) Rectangles are congruent?
Answer

(a) I will measure the radius or diameter of the given circle. (b) I will measure the length and breadth of the given rectangle. (a) I will place one circle over another circle. If they exactly superimpose, they are congruent. In this case, both will have the same radius. (b) I will place one rectangle over another rectangle. If they exactly superimpose, they are congruent. In such a case, both will have the same length and breadth.