veryrare24 veryrare24

23-03-2020
Mathematics

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Identify the radius of the circle whose equation is x^2 + y^2 = 36.

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jimrgrant1 jimrgrant1

23-03-2020

Answer:

radius = 6

Step-by-step explanation:

The equation of a circle centred at the origin is

x² + y² = r² ←r is the radius

x² + y² = 36 ← is in this form

with r² = 36 ⇒ r = [tex]\sqrt{36}[/tex] = 6

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