List the kinds of measurements have you worked with so far. Describe what area is. Describe what volume is. How could you find the combined area of all faces of a three-dimensional shape? Give an example of why that would be a good measurement to know.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.