Question

solve this question...

Answer 1

${2}^{2} + {1 }^{2} = 5 \\ {3}^{2} + {4}^{2} = 25 \\ {3}^{2} + {1}^{2} = 10 \\ {5}^{2} + {10}^{2} = 125$
so...... b is right