Respuesta :
Answer:
add multiply divide or subtract make sure to use Pemdas then and you should have your answer
Step-by-step explanation:
Answer:
r = 10
Step-by-step explanation:
The equation of a circle centred at the origin is
x² + y² = r² ( r is the radius )
x² + y² = 100 ← is a circle centred at the origin with
r² = 100 ( take the square root of both sides )
r = [tex]\sqrt{100}[/tex] = 10