Question

four angles of a pentagon are 100°,175°,85°,75° find fifth angle​

Answer 1

Answer:

in Pentagon sum of angles is 540°

let the fifth angle be x

so..100°+175°+85°+75°+x=540°

435°+x=540°

x= 540-435

x=105°

hence...the 5th angle is 105°