Answer:
A = 16
Step-by-step explanation:
Taken together, the triangles form a square whose side length is 4. The area is ...
A = s² = 4²
it must always have one of the sign
x = Elgas age
2x = Alvins age
x +2x = 60
3x =60
x = 60/3 = 20
Elga is 20 years old
the answer is a
16
it just is