## anonymous 4 years ago Please help :( The dimensions of the rectangular solid given below are 3,4, and 5. What is the length of the diagonal line segment AB?

1. anonymous

|dw:1338701475240:dw|

2. ujjwal

|dw:1338701928101:dw|

3. anonymous

is it sqrt 50?

4. ujjwal

Find BC (in my above figure), And then ABC is another rt. angled triangle.. where AB is hypotenuse.. so, just do the calculations!

5. anonymous

so would the answer be $5\sqrt{2}$?

6. ujjwal

yep.

7. anonymous

mmkay, thank you so much x)

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