Victor has completed this question

MATHEMATICS · Subjective · CBSE · Mathematics · The Baudhayana-Pythagoras Theorem · The Baudhayana-Pythagoras Theorem

Problem

Victor has completed this question. Can you spot any mistakes?

\begin{aligned} a^2 + b^2 &= c^2 \\ 7^2 + 25^2 &= x^2 \\ 49 + 625 &= x^2 \\ 674 &= x^2 \\ x^2 &= 674 \\ x &= 25.96\text{cm} \end{aligned}