Posted by chelsea on .
The ratio of the angle measures of a pentagon is 4:5:3:8:7. What is the measure of the smallest angle?

geometry 
Reiny,
The sum of the interior angles of a pentagon is 180(52) = 540ยบ
so
4x + 5x + 3x + 8x + 7x = 540
solve for x and sub into 3x 
PreAp Geometry 
SAFA GREAT!,
60

geometry 
Ally,
20

geometry 
Matt,
Ffgff