robertbarnettli robertbarnettli

11-06-2018
Mathematics

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PLEASE help fill in the blanks for geometry!!!

PLEASE help fill in the blanks for geometry class=

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ogbonnanaomi247 ogbonnanaomi247

11-06-2018

Since a sector is a fraction of a full circle, the ratio of a sector's area A to the circle is equal to the ratio of the __central angle__.

The proportion can be written as A/ πr² = ∅/ 2π.

Multiply both sides by πr² and simplify to get ∅/2 * r²

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