A. There are 5 shaded squares in row 3. The total number of shaded squares up to and including row 3 is 9. Fill in the table for the remaining rows.

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle