Question

can someone help me?

Answer 1

Yes

Answer 2

9.4 use the pythagorean theorem

Answer 3

5^2+8^2 and square root of that

Answer 4

\[\huge\rm a^2 +b^2 = c^2\]
pythagorean theorem
c is hypotenuse which is the longest side of the triangle

Answer 5

ok thanks

Answer 6

longest side is hypotenuse (c)
or other two are a or b
now just replace a and b by their values and then solve for c