RT a-b-x

There is a right triangle with legs long a, b, and hypotenuse long x. Given that a = 6 cm and b = 9 cm, work out x.
Give your answer as an exact surd.

Correct answer:

x =  10.8167 cm

Step-by-step explanation:

a=6 cm b=9 cm  x2=a2+b2  x=a2+b2=62+92=3 13=10.8167 cm

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