Question

Find the squares of the following numbers using diagonal method :

(i) 98 (ii) 273
(iii)348 (iv) 295
(v) 171

Answer 1

(i) $(98{)}^2$

$\therefore (98{)}^2=9604$

(ii) $273{)}^2$

$\therefore (273{)}^2=74529$

(iii)$(348{)}^2$

$(348{)}^2=121104$

(iv) $(295{)}^2$

$\therefore (295{)}^2=87025$

(v) $(171{)}^2$

$\therefore (171{)}^2=29241$