Question

A boat leaves Port A and travels due east. Port B is 15 mi due north of Port A, and Port C is 24 mi due south of Port A. The boat is 25 mi from Port C.

How far is the boat from Port B? Round to the nearest tenth of a mile.

Answer 1

_____mi

Answer 2

@Jhannybean

Answer 3

@iGreen

Answer 4

@rishavraj

Answer 5

@w.timora apply Pythagorean theorem in triangle ACD (D is for the boat)
get the side length of AD....
after tht use the same to find BD

Answer 6

@w.timora ??????

Answer 7

yes?

Answer 8

done??

Answer 9

@rishavraj can you write out the formula

Answer 10

so i can see how it is done

Answer 11

for triangle ACD
\[AB = \sqrt{(CD^2) - (AC)^2}\]

Answer 12

once u get AD......solve for BD......

Answer 13

ok

Answer 14

@rishavraj Hey, when i find ad and bd which one is the answer?

Answer 15

@w.timora BD is the answer...its asking u about the distance from port B

Answer 16

@rishavraj formula?

Answer 17

i got the first one.. I need you to write out the 2nd

Answer 18

Pythagorean theorem

Answer 19

@rishavraj how did you do it the first time?

Answer 20

http://www.purplemath.com/modules/pythagthm.htm