Answer:
Step-by-step explanation:
Pythagorean Theorem
(AB)² = 5.6² + 3.9² = 46.57
radius r = (√46.57)/2 cm
area = πr² = π46.57/4 ≈ 36.5759925 cm l²
60x+90y=2100
29t=2100
a.
i think
Answer:area = x^2 +15x +36