Q61Written answer
All parallelograms having equal areas have same perimeters.
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Worked solution
Solution:-
False
Now answer Questions 62 to 65:
NCERT Exemplar · Class 7 · Maths
Chapter 9: Perimeter and Area
Practice each question, then open the answer or worked solution.
Questions
65 questionsQ62Written answer
Observe all the four triangles FAB, EAB, DAB and CAB as shown in Fig. 9.28:
All triangles have the same base and the same altitude.
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Solution:-
True.
From the given figure, all triangles have the same base and the same altitude.
Q63Written answer
All triangles are congruent.
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Solution:-
False.
Q64Written answer
All triangles are equal in area.
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Solution:-
True.
From the given figure, all triangles have the same base and the same altitude.
Q65Written answer
All triangles may not have the same perimeter.
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Solution:-
True.
From the given figure, we can say that all triangles may not have the same perimeter.