Question

consider the following pattern:
45square=4×(4+1) hundred+25=2025
115square=11×(11+1) hundred+25=13225
using the above pattern, find the squares of
(I)35 (ii)45 (iii)85 (iv)125
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Answer 1

Answer:

35square=3×(3+1) hundred+25=1225

45square=4×(4+1) hundred+25=2025

85square=8×(8+1) hundred+25=7225

125square=12×(12+1) hundred+25=15625