PLEASE HELP ILL GIVE BRAINLY True or false: you can collect data yourself?
2 answers:
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Circle b:
Diameter = x
Radius =
Area =
Circle a:
Diameter =
Radius =
Area =
Thus,
Area of circle b to area of circle a
=
÷ 
= × 
= 4
Hence, the area of circle b is 4 times the area of circle a.
Diameter = x
Radius =
Area =
Circle a:
Diameter =
Radius =
Area =
Thus,
Area of circle b to area of circle a
=
=
= 4
Hence, the area of circle b is 4 times the area of circle a.