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Answer: √130
Step-by-step explanation:
for a right angled triangle, the Pythagorean theorum states that a²+b² =c²
- c is the length of the hypotenuse
- a and b are the lengths of the other two sides.
c = √(a² + b²)
Sub in the values where a=3 and b=11
c = √(3² + 11²)
= √(9+121)
= √(130)