Question

Which of the following can be possible lengths in cm of a triangle :
(A) 18,10,6
(B)6,2,8
(C)8,10,15
(D) 8,12,20

Answer 1

Answer:

Step-by-step explanation:

NOTE THAT IN A TRIANGLE,THE SUM OF TWO SIDES SHOULD BE ALWAYS GREATER THAN THE THIRD

CONSIDERING(A)-10+6<18,THEREFORE IT CANT BE THE THE SIDES OF TRIANGLE

(B)-6+2=8=8,BUT IT SHOULD BE GREATER

(C)-10+8=18>15,ALSO 15+5=20>10,THEREFORE (C) IS THE CORRECT ANSWER.