Find the area of a sector with a central angle of 190° and a diameter of 5.1 cm. Round to the nearest tenth.

Please Help I just don't get it

3 answers

A few hints:

What is the area of a circle with a diameter of 5.1 cm?
What fractions of a whole circle is a 190° sector?
Isn't a circle a "sector" with a 360° central angle?

Fraction, not "fractions."

(190/360) (pi D^2/4)