Question

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Answer 1

Answer:

1. (a)12cm

2. (d)circumference

3. (c)6

Step-by-step explanation:

1. Let a be the length of the side

Perimeter of square=4a=48

therefore a=48/4=12cm.

2. The distance around circle is called as circumference of the circle.

3. There are 6 lines of symmetry in a regular hexagon.

Answer 2

Answer:

1.

2(x+y)=perimeter

x=y (square)

2(x+x) = 48

2(2x)=48

4x=48

x=48=÷4

=12