Posted by Rina on Monday, June 11, 2012 at 6:15pm.
The length of the base of an isosceles triangle is one fourth the length of one of its legs. If the perimeter of the triangle is 16 inches, what is the length of the base?

Trig  Reiny, Monday, June 11, 2012 at 8:28pm
base of triangle  x inches
side of triangle  4x inches
4x + 4x + x = 16
9x = 16
x = 16/9
the base is 16/9 inches long
base = 16/9
each side = 64/9
check: 16/9+64/9+64/9
= 144/9 = 16

Trig  g, Thursday, December 3, 2015 at 8:44pm
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