Answer :
top combination of hypotenuse & leg - D 5, 4, with 3
2nd row - A 5, √21 with 2
3rd row - C 65, √7 with 4
4th row B
the formula is
hoptenuse square = leg square + other leg square
2nd row - A 5, √21 with 2
3rd row - C 65, √7 with 4
4th row B
the formula is
hoptenuse square = leg square + other leg square