Question #e287a

1 Answer
Feb 2, 2018

#(4)" does and "(5)" does not"#

Explanation:

#"given 3 sides of a triangle , if the triangle is valid"#

#"then the "color(blue)"sum of 2 of the sides ">" third side"#

#"for "5,5,7#

#5+5=10>7larr" valid"#

#5+7=12>5larr"valid"#

#5+7=12>5larr"valid"#

#rArr"this is a valid triangle"#

#"for "2,3,5#

#2+3=5larr"not valid"#

#2+5=7>3larr"valid"#

#3+5=8>2larr"valid"#

#"this is not a valid triangle"#