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Answer 1

Answer:

Q)1

1) Perimeter of rectangle =2(length+breadth)

=Given: L=5 , B=4

Therefore, 2(5+4)

=2(9)

=18 Cm Is Perimeter of rectangle

2)Perimeter of square =4×side

=Given: Side=15

=4×15

=60 Cm Perimeter of Square

3)Perimeter of Regular hexagon =6× side

=Given:side=7.2

=6×7.2

=43.2 Cm is Perimeter of regular hexagon

4)Perimeter of Equilateral Triangle= 3×side

=Given: Side=5cm

=3×5

=15 Cm is Perimeter of Equilateral Triangle

Q)2

1) a)

Perimeter of square =4×side

=Given: 22 Cm

=P=4×side

=22=4×side

=side=22

4

=side=5.5 Cm

b)

Perimeter of square =4×side

=Given: 16 Cm

=P=4×side

=16=4×side

=side=16

4

=side=4 Cm

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