Question

here are the exact lengths of the sides of 4 triangles

triangle A: 8cm, 15cm, 17cm
triangle B: 10cm, 26cm, 24cm
triangle C: 12cm, 17cm, 21cm
triangle D: 15cm, 20cm, 25cm

which one of these triangles are not right angled?

Answer 1

B or C because the numbers are far apart it would be hard to make a right side angle