# Express in degree, the angle suspended by an arch of 8 cm on a circle of radius 5 cm ?

1
by johnsonunni

Log in to add a comment

by johnsonunni

Log in to add a comment

here length of arc = 8cm. and R = 5 cm. therefore angle subtended = 8*360/(2π*5) = 4*72/π = 91.72 degrees.