Page 100 - Mathematics_Std_4

11. Musa drew a rectangle with a length of 80 mm and a

width of 50 mm. What is its perimeter in centimetres?
12. The tailor bought a piece of fabric with a length of 2
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metres and a width of 1 metre. What is the perimeter of
that piece of fabric in centimetres?

13. A carpet in the teachers’ office is 7 metres long and
5 metres wide. Find its perimeter.

7 m

5 m

14. The garden has a triangular shape measured: 10 m, 7 m
and 6 m. Find its perimeter.

15. Four pupils cut a piece of paper in a square shape. The
piece of paper had a perimeter of 16 centimetres. If they
cut the paper into four equal square pieces, what is the

perimeter of each square.

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MATHEMATICS STD 4 PB 2024.indd 93