Pasagot po please..
(report nonsense)

Answer:
1. A = 8
2. A =
Step-by-step explanation:
21-22. a. square
4 × 4
= 16
b. triangle
4 × 4
= 16 ÷ 2
= 8
c. 16 - 8
= 8
23-24.
(sorry po yan lng alam ko pero sna mkatulong)