Question

HELP ASAPP PLEASE THIS IS ABOUT PYTHAGOREAN THEROM SPMETHING LIKE THAT please help.

Answer 1

Answer:

√19

Step-by-step explanation:

Pythagoras's theorem:

$a^{2} +b^{2} =c^{2}$

Where side c is the hypotenuse and sides a and b do not matter if switched.

9²+b²=10²

81+b²=100

b²=100-81

b²=19

b=√19