Question

ABC is a triangle, right – angled at C. If AB = 25 cm and AC = 7cm, find BC.​

Answer 1

Answer:

24

Step-by-step explanation:

Using Pythagoras theorem :

$bc \: = \sqrt{ab^{2} \: - \: ac ^{2} } \\ \: \: = \sqrt{25 ^{2} - 7 ^{2} } \\= 24$