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Sagot :
Answer:
6.32 cm
Step-by-step explanation:
Area of a circle = [tex]\pi r^2[/tex] (where r is the radius)
Given area = [tex]10\pi[/tex] cm²
⇒ [tex]10\pi=\pi r^2[/tex]
[tex]\implies 10=r^2[/tex]
[tex]\implies r=\sqrt{10}[/tex]
Diameter = 2r (where r is the radius)
[tex]\implies d=2r=2\sqrt{10}=6.32[/tex] cm (nearest hundredth)
Area of a circle = [tex]πr²[/tex]
Given area = [tex]10π cm²[/tex]
[tex]\bold\red{ ⇒} 10π = πr²[/tex]
[tex]\bold\red{⇒ } 10 = r²[/tex]
[tex]\bold\red{⇒ } r = \sqrt{10}[/tex]
Diameter = [tex]2r[/tex]
[tex]\bold\red{⇒}2\sqrt{10} =\bold\pink{6.32 cm} [/tex] [tex]\bold\green{ [nearest \: hundredth]}[/tex]
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