The area of this circle is 840 m².
What is the area of a 180° sector of this circle (half of the circle)?
1680m^2
420m^2
210m^2
105m^2
840m^2

The area of this circle is 840 m What is the area of a 180 sector of this circle half of the circle 1680m2 420m2 210m2 105m2 840m2 class=