Question

from 3rd in 1st Roman all the circles ones from 1st Roman

Answer 1

1.i.peri=40cm
ii.27cm
iii.90cm b.660cm
2.i.a.8cm
i.b.45cm
ii.a.9cm
ii.b.37mm
ii.c.19cm
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Answer 2

Answer:

1)(i) (a)Perimeter of square =4×side=4×10cm=40cm

(ii) (a)Perimeter of equilateral triangle =3×side=3×9=27cm

(iii) (a)Perimeter of regular hexagon =6×side=6×15=90cm

(b)Perimeter of regular hexagon =6×side=6×55=330mm

2)(i) (a)Side of square=Perimeter/4 =32/4=8cm

(b)Side of square=Perimeter/4 =180/4=45cm

(ii) (a)Side of regular hexagon=Perimeter/6=54/6=9cm

(c)Side of regular hexagon=Perimeter/6=1.14/6=0.19cm

Hope it helps