Question

find the area of the sector with 80 degree angle and radius=8

Answer 1

11.164

Answer 2

area of sector= angle/360 x area of circle
80/360 x \[\Pi\]r^2
=80/360 x pi x 64
=44.68units^2

Answer 3

when i did the formula i got that answer too, but the answers in the back of the book say 35.45 ?

Answer 4

trust urs always, textbuk may be wrong sumtyms like printing mistake etc.