4 Three isosceles triangles are shown. 126°
1050
1170
63°
720
540
175°
300
Which conjecture is not supported by the figures?
F The measure of an exterior angle of a triangle is equal to the sum of the measures

of the two remote interior angles.
G The base angles of an isosceles triangle are congruent.
H Each of the exterior angles of an isosceles triangle is supplementary to the base
angles of the triangle.
J The sum of the interior angles of a triangle is 180°.