Math, asked by s1046bimba22894, 2 months ago

Q 13) Tina needed a square of side 4 cm for completing a collage. She had a rectangular sheet of
length 28 cm and breadth 21 cm (Fig 1). She cuts off a square of side 4 cm from the rectangular sheet
(Fig2).
i) Her friend saw the remaining sheet and asked Tina,
a) Has the perimeter of the sheet increased or decreased and by how much?​

Answers

Answered by amitnrw
3

Given : a square of side 4 cm  cut off from  a rectangular sheet of

length 28 cm and breadth 21 cm

To find :       Has the perimeter of the sheet increased or decreased and by how much?​

Solution:

perimeter of the sheet has neither increased nor decreased .

Perimeter of rectangular sheet  = 2 (28 + 21)

= 2(49(

= 98 cm

Perimeter of sheet after cutting square of 4 * 4  cm

=  28 + 21 + 24 +  4 + 4 + 17

= 98 cm

Perimeter is still same

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