What is the measure of the marked angle? (Write the answer without degree symbol)

 

Construct an angle of the following measure by using a protractor.

$90°$

Construct an angle of the following measure by using a protractor.

$60°$

Construction angles of the following measure by using a protractor. 

 $45°$

Construct an angle of the following measure by using a protractor.

$140°$

Construct an angle of the following measure by using a protractor.

$122°$

Write the measure of the angle which is equal to $35°18\text{'}40\text{'}\text{'}+15°47\text{'}30\text{'}\text{'}$.

Write the measure of the angle Which is equal to $50°37\text{'}30\text{'}\text{'}+30°37\text{'}50\text{'}\text{'}$.

Write the measure of the angle which is equal to $30°30\text{'}30\text{'}\text{'}+30°40\text{'}50\text{'}\text{'}$