You want to press out and come back to a 90 degree angle.

The goal is to bring the arms to the side away from the body at a 90 degree angle.

At least one model can also cut angles of 30 degrees.

Now, make another series of cuts at a 90 degree angle to the first.

They should meet the upper arms at an angle of 105-110 degrees.

They feed by holding their open bill at a 45 degree angle to the water.

The average slope to the river is 12m at an angle of 70 degrees.

The Earth has not always been tipped at an angle of 23.5 degrees.

In this movement the pole is usually at a 60 degree angle with the ground.

Two short arms are set to form 90 degree angles against a third, longer drawing edge.