1. jamar draws three pairs of parallel lines that are each intersected by a third line. in each figure, he measures a pair of angles.

what is a reasonable conjecture for jamar to make by recognizing a pattern and using inductive reasoning?

when a pair of parallel lines are intersected by a third line, all of the angles formed are supplementary.

when a pair of parallel lines are intersected by a third line, the same-side interior angles are supplementary.

when a pair of parallel lines are intersected by a third line, all of the angles formed are acute.

2. timothy draws three isosceles triangles. in each figure, he measures a pair of angles.

what is a reasonable conjecture for timothy to make by recognizing a pattern and using inductive reasoning?

in an isosceles triangle, two of the angles are obtuse.

in an isosceles triangle, one angle is always obtuse.

in an isosceles triangle, all of the angles are congruent.

in an isosceles triangle, two of the angles are congruent.