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Kay [80]
3 years ago
10

Look at triangle ABC. What is the length of side AB of the triangle? Image down below :)

Mathematics
2 answers:
adoni [48]3 years ago
7 0
The answer is the third option.
12345 [234]3 years ago
3 0

Answer:

\sqrt{18}

Step-by-step explanation:

you need to use Pythagoras theorem

a^{2}+b^{2}=c^{2}

c is the hypotenuse. the longest side (ab)

a and b are the other two side lengths squared (bc,ca)

the length of both a and b are 3 squares long

3^{2} is 9

you add the square of both sides together to get 18 this is c^{2}

you need to square root that to get the answer

\sqrt{18}

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