Answer:
B: 6 root 2
Step-by-step explanation:
this is a right angled triangle having two sides perpendicular and base equal to 6cm
Using the Pythagorean theorem
(Hypotenuse)² = (perpendicular)² + (base)²
c²= (6)²+ (6)²= 36+36
c= √72= √36*2= 6√2= 6 root 2
