Question 1112518

recall: 

An isosceles triangle is a triangle with (at least) two {{{equal}}} sides.

it means (at least) two {{{equal}}} angles

the sum of all three angles in triangle is {{{180}}}°

if one angle of an isosceles triangle measures {{{108}}}°, the other two measure {{{180-108=72}}}°; so,  each of two {{{equal}}} angles is {{{36}}}°