PDF chapter test TRY NOW

1. One angle of a linear pair is a right angle. What can you say about the other angle?
 
Other angle =
 
2. If the three angles at a point are in the ratio 1:4:7, find the value of each angle.
 
Each angles are ^\circ, ^\circ, ^\circ
 
[Note: Enter the angles in the given order.]