A thin wire 20 cm long is formed into a rectangle if the width of the rectangle is 4 cm what is its length
msg18:
what is the radius of the wire
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length = perimeter
perimeter=2(l+b)
20 = 2 (l + 4)
20 = 2l +8
20-8 =2L
12 = 2L
12/2 = L
L = 6
length = 6cm
perimeter=2(l+b)
20 = 2 (l + 4)
20 = 2l +8
20-8 =2L
12 = 2L
12/2 = L
L = 6
length = 6cm
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