Question

replace the question mark​

Answer 1

Answer:

$( {6}^{2} + {7}^{2} ) - ( {5}^{2} + {3}^{2} ) \\ ⇒(36 + 49) - (25 + 9) \\ ⇒85 - 54 \\ ⇒31 \\ \\ 31 \: is \: the \: correct \: answer$

Answer 2

Step-by-step explanation:

In 1st figure,

(2²+3²)-(1²+2²)=13-5=8

In 2nd figure,

(5²+8²)-(4²+3²)=(25+64)-(16+9)=89-25=64

In 4th figure,

(12²+8²)-(5²+7²)=(144+64)-(25+49)=208-74=134

Therefore in 3rd figure,

(6²+7²)-(5²+3²)=(36+49)-(25+9)

=85-34=51. (Ans)