Answer:
1. Circle A: 1 right angle
Circle B: 2 pairs of parallel sides, 2 pairs of sides with equal length
2. 2 pairs of parallel sides
2 pairs of sides with equal length
3. 2 sides of equal length
Explanation:
1. Circle A: 1 right angle
Circle B: 2 pairs of parallel sides, 2 pairs of sides with equal length
2. 2 pairs of parallel sides
2 pairs of sides with equal length
3. 2 sides of equal length