Question

observe the angles. which type of angle is not shown below? right acute obtuse straight question 4 which tool is used to measure an angle? protractor ruler scale compass

Explanation:

For the first question, a right - angle is 90 degrees, an acute angle is less than 90 degrees, an obtuse angle is between 90 and 180 degrees, and a straight angle is 180 degrees. By observing the given angles, we can determine which one is not present. For the second question, a protractor is a tool specifically designed to measure angles, while a ruler is for measuring length, a scale is for weighing or measuring length in some contexts, and compasses are for drawing circles or arcs.

Answer:

Question 3: A. Right
Question 4: A. Protractor