In order for a triangle to be obtuse, the longest side must be bigger than the hypotenuse that would make the two short sides a right triangle.

7. 6,8,9 : 6^2+8^2 = 100 & 9^2 = 81 Acute triangle

8. 4, 2, 5 : 4^2+ 2^2 = 20 and 5^2 = 25 Obtuse Triangle

9. 10 , 2root 2 , 6 root 3 : Right angle triangle

10. 15 , 20, 15 Acute triangle

11. 3, 3, 3root 2 : Right angle triangle

12. 13 18 3 root 55 : Obtuse triangle

Secure Information

Content will be erased after question is completed.

Enter the email address associated with your account, and we will email you a link to reset your password.

Forgot your password?

Sign Up