Proportion

20 students were surveyed regarding the number of hours they studied for an upcoming tests.  The results are shown in the histogram above.  If you wanted to depict the results using a circle graph, what would the central angle be for students who studied exactly 2 hours?

Proportions

A father and his son are standing near to each other on level ground late one afternoon so that their shadows end at the same place. The father is 80 inches tall, the son is 30 inches tall, and the father's shadow is 120 inches long as shown in the figure. Which of the following is closest to the distance to, d inches, between the father and the son?

Proportions: Similar Triangles

In right triangle ACE, BD is parallel to AE and BD is perpendicualar to EC at D. The length of AC is

20 feet, the length of BD is 6 feet, and the length of CD is 8 feet. What is the length, in feet, of AE?

Proportions