Question

An isosceles trapezoid has a perimeter of 28.7 feet. Its shorter base measures 6.7 feet and its longer base measures 9 feet. The two remaining sides have the same length; what is that length?

Answer 1

perimeter of trapezium =sum of all sides
so we don't know any
number we put x
then,

28.7=6.7+9+x
28.7=15.7x
28.7-15.7=x
13=x
length of two remaining sides is13feet

hope it's help u

thanks....