1 m = 100 cm
10 cm = 10 / 100 m = 0.1 m
Area of disc:
A = d² π / 4 = 0.1² ∙ π / 4 = 0.01 ∙ π / 4 = 0.007853981634 m²
Cost:
# 3 300 / 0.007853981634 m² = 420 169.05 # / m²
A thin silver disc of diameter 10cm cost #3300.what is the cost per Sq m
3 answers
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I hope d ans is correct and I need more working on it