Which of the following could not be the lengths of the sides of a right
angled triangle?
Select ALL such sets.
Select ALL such sets.
A. 12, 15, 8
B. 10, 24, 25
C. 8, 15, 17
D. 3, 4, 5
E. 9, 12, 15
F. 12, 16, 20
B. 10, 24, 25
C. 8, 15, 17
D. 3, 4, 5
E. 9, 12, 15
F. 12, 16, 20
Answer: Option a, b
ReplyDeleteExplanation:
Using Pythagoras theorem we can see that 〖12〗^2 + 〖15〗^2 is not equal to 8^2
Neither is 〖10〗^2 + 〖24〗^2 = 〖25〗^2
(All the others obey the theorem a^2 + b^2 = c^2)
You could check this out using a calculator.
(At least those that you do not recognise....)