Question

By joining (5 , 2) , ( 1 , 2) and (1, 5), which of the following is obtained?

Answer 1

Answer is 17

$5 \times 2 = 10 \\1 \times 2 = 2 \\ 1 \times 5 = 5 \\ \\ 10 + 2 + 5 = 17$

This is the whole method of doing this step by step.