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Secondary 1 | Maths
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Date Posted: 4 years ago
Views: 315
a) 315 = 3^2×5×7
b) make 315 a square number.
so then there should be 5×7=35 more tiles.
area of the large square
= (315+35)×30×30
= 315 000 cm^2
hope this helps!
so then there should be 5×7=35 more tiles.
area of the large square
= (315+35)×30×30
= 315 000 cm^2
hope this helps!
c) qn is asking for HCF of 168 and 315.
315 = 3^2×5×7
168 = 2^3×3×7
HCF if 315 and 168
= 3×7
= 21
315 = 3^2×5×7
168 = 2^3×3×7
HCF if 315 and 168
= 3×7
= 21
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