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Question
primary 5 | Maths
| Whole Numbers
2 Answers Below
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Pls help.
Date Posted: 2 years ago
Views: 652
(a)
70×70 = 4900 (Ans)
(c)
225 = 15×15
Ans: fig. 15
(b)
n → fig n
1+2(n-1) → # of bottom layer squares
n = 49
1+2(49-1) = 97 (Ans)
70×70 = 4900 (Ans)
(c)
225 = 15×15
Ans: fig. 15
(b)
n → fig n
1+2(n-1) → # of bottom layer squares
n = 49
1+2(49-1) = 97 (Ans)
See 2 Answers
done
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Date Posted:
2 years ago
Sorry im very confused.
U hv to understand
odd number series sum
= Square of fig number
odd number series sum
= Square of fig number
done
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Hope this helps
Date Posted:
2 years ago
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