Answer:
her equation should be a² + 3² = 4²
Step-by-step explanation:
a² + 3² = 4²
a² + 9 = 16
a² = 7
a = 
a ≈ 2.6 inches
Answer:
A
Step-by-step explanation:
Because if you simplify you get that
Multiply by 0.0174533
use whatever precision is appropriate.
for example 1 degree is equal to 1 × 0.017 radian