1. Review for 2nd Six Weeks Exam
Day 1
Aspect Ratios

2. Aspect Ratios in the Media
The figure is a picture of a 56” television whose screen has an aspect ratio of 16:9.
Find the height,
width,
and area.
56”

3. You have just purchased a new truck
You have just purchased a new truck. It comes equipped with P255/70 R18 tires. After a month, you decide to put on P295/65 R20 tires. Fill in the missing information for each tire size. Find the circumference of each tire.
Tire
P255/ 70 R18
P295/ 65 R20
Width (mm)
Aspect Ratio (%)
Height (inches)
Diameter (inches)
Circumference

4. After one rotation of the wheel, how many inches further has the larger tire traveled than the factory-installed tire?
2. After one rotation of the wheel, the truck with the larger tires has travelled ___________ times further than the truck with the factory-installed tires.

5. 3. If the odometer reading is 90,000, you have actually travelled ___________ miles.
4. If the speedometer reading is 65 miles per hour, your actual speed is ______________ mph.

6. 5. If you were driving in the truck with the larger tires and the speedometer showed a speed of 75 miles per hour, could you be ticketed for exceeding the 75-mph speed limit by more than 5 mph? More than 10 mph? Justify your answers and SHOW ALL WORK.