Question

7. Find the perimeter and area of the following squares, the length of whose sides are:
(i) 22 cm (ii) 35.5 cm (iii) 12 m 4 cm.

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Answer 1

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Find the perimeter and area of the following squares, the of whose sides are :

( i ) 22cm

( ii ) 35.5cm

( iii ) 12m 4cm

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( i ) Side = 22cm

Perimeter of a square = 4 × Side

==> 4 × ( 22cm )

==> 88cm

Area of a square = Side × Side

==> ( 22cm ) × ( 22cm )

==> 484cm²

( ii ) Side = 35.5cm

Perimeter of a square = 4 × Side

==> 4 × ( 35.5cm )

==> 142cm

Area of a square = Side × Side

==> ( 35.5cm ) × ( 35.5cm )

==> 1,260.25cm²

( iii ) 12m 4cm

1m = 100cm

==> 12m + 0.04m

==> 12.04m

Perimeter of a square = 4 × Side

==> 4 × ( 12.04m )

==> 48.16m

Area of a square = Side × Side

==> ( 12.04m ) × ( 12.04m )

==> 144.9616m²

_SitaVeronica✨

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