Question

Help me please, i need help

Answer 1

Answer: A 6.4

Explanation:

Use pythagorean to find sides

c=hypotenuse = x

a= shortleg = 4

b=longleg =5

c²=a²+b² > substitute

x²=4²+5² >simplify

x²=16+25

x²=41 >take square root of both sides

x=√41 >plug in calculator

x=6.4 => A