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Pa Help Nmn Po Plz Plz Need Ko Tulong class=

Sagot :

Answer:

1.) Circumference = 62.8mm²

2.)Circumference = 18.84dm²

Step-by-step explanation:

1.) Given: diameter = 20mm, r = 10mm

Formula: 2(pi)r

Circumference = 2(3.14)(10)

= 62.8mm²

2.)Given: r = 3dm

Formula: 2(pi)r

Circumference = 2(3.14)(3)

= 18.84dm²

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