Math 20 Math 25 Math Tips davidvs.net # Homework to Turn In Justice—Measurement

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1. 86 degrees Celsius is what temperature in degrees Fahrenheit?

2. 44 degrees Fahrenheit is what temperature in degrees Celsius?

3. A square with sides 10 feet long has the top quarter removed (like a triangular "bite" taken out of the top). What is the remaining area?

50 square feet 70 square feet 75 square feet 80 square feet

4. A circle of diameter 6 cm has its southwest quarter removed. What is the perimeter of that "Pac-Man" shape?

26.1 cm 28.3 cm 40.3 cm 44.4 cm

5. A half-circle window has diameter of 8 feet. What is its perimeter?

3.14 feet 6.28 feet 20.57 feet
25.13 feet 50.27 feet 100.53 feet

6. You want to install a two foot wide sidwalk around a circular swimming pool. The diameter of the pool is 30 feet. What is the area of the donut-shaped sidwalk, rounded to the nearest square foot?

6.3 square feet 201 square feet 390 square feet 804 square feet

7. Clarabelle's Confusing Pizza Parlor sells a 20 inch diameter pizza for \$18.99, and a 40 cm diameter pizza for \$14.99. Which is the better buy? (1 inch = 2.54 centimeters.)

the 20-inch diameter pizza the 40 cm diameter pizza

8. How large a circle (how big an area?) can fit inside a rectangle of base of 12 feet and height of 5 feet?