Can someone work this out please? With working

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asked Sep 14, 2019 144k views

1 Answer

Steven XM · Answer 1 · 2019-09-19T09:01:24+0000

a)
Because it is a square
Area =a²
324 = a²
a=√324= 18
a=18 cm

b)
Side of inner border = 18-2-2(from up and down for example)
Side of inner border = 18-2-2= 18-2*2= 14 cm

c)
Area of inner square=14²=196 cm²

Can someone work this out please? With working

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