Question

(15)^2+(18)^2-20=√(?)​

Answer 1

Step-by-step explanation:

${15}^{2} + {18}^{2} - 20 = \sqrt{x}$

$225 + 324 - 20 = \sqrt{x}$

$529 = \sqrt{x}$

$x = {529}^{2}$

$x = 279841$

HOPE IT HELPS...

Answer 2

$\text{Let\: the\: missing\: no.\:be}$ $x$

$\text\red{so,}$

$15^2 +(18)^2 - 20 = \sqrt{x}$

$225 + 324 - 20 = \sqrt{x}$

$225 + 304 = \sqrt{x}$

$x = 529^2$

$x = 279841$ .....ans......