Answer:
is a mathematics problem and is so easy and square and triangle and rectangle and circle formulas
Step-by-step explanation:
√(a - r) + m = y
√(a - r) = y - m
(a - r) = (y - m)²
a = (y - m)² + r
a = y² - 2my + m² + r.
The answer is the 2nd option.
