Given: triangle ABC with side lengths a, b, and c, and height h. Prove: area= 1/2 ab sin c.

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

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.

Arace is 10 kilometers long.markers will be placed at the beginning and end of the race course and at each 500 meter mark.how many markers are needed to mark the course for the race?