NCERT Exemplar Solutions
Class 6 - Mathematics - Unit 6: MensurationFill in the Blanks
Class 6 - Mathematics - Unit 6: Mensuration
Question. 9
Perimeter of the shaded portion in Fig. 6.9 is AB + _ + _ + _ + _ + _ + HA

Answer:
Perimeter of the shaded portion in Fig. 6.9 is AB + BM + MN + NG + GH + HA
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Question. 10
The amount of region enclosed by a plane closed figure is called its ________.
Answer:
The amount of region enclosed by a plane closed figure is called its area.
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Question. 11
Area of a rectangle with length 5 cm and breadth 3 cm is ________.
Answer:
Area of a rectangle with length 5 cm and breadth 3 cm is 15 sq cm.
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Question. 12
A rectangle and a square have the same perimeter (Fig. 6.10).
(a) The area of the rectangle is ________.
(b) The area of the square is ________.
Answer:
(a) The area of the rectangle is 12 sq cm.
(b) The area of the square is 16 sq cm.
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Question. 13
(a) 1 m = ________ cm.
(b) 1 sq cm = ________ cm × 1 cm.
(c) 1 sq m = 1 m × ________ m = 100 cm × ________ cm.
(d) 1 sq m = ________ sq cm.
Answer:
(a) 1 m = 100 cm.
(b) 1 sq cm = 1 cm × 1 cm.
(c) 1 sq m = 1 m × 1 m = 100 cm × 100 cm.
(d) 1 sq m = 10000 sq cm.