University:
Glendale Community College
Course:
MAT142 | College Mathematics
Academic year:

2020
Views:

221

Pages:

6
Author:

meende6f

Grima MAT 142 Chapter 2 in class practice problems PART 1 1) Use the Pythagorean Theorem to find the missing length. Each triangle on the test doesn’t have units and you won’t need to give units on problem 1. You will need to give units for every other geometry problem on the test. 1a) 1b) 3) Find the area. Leave answer in terms of 𝜋 4) Find the shaded area. Leave answer in terms of 𝜋 2) Find the area. 5) Find the shaded area. Use 3.14 for 𝜋. Round you answer to 1 decimal. Assume units are in cm. 6) Find the volume. Leave answer in terms of 𝜋 7) Find the volume. 9 – 11: Use dimensional analysis to find the missing quantity. 9) 24.235 l = ______ ml 10) 10 cups = _______ l 11) 12 yd = _______ in 8) Find the volume of the entire figure (not just the shaded region). Leave answer in terms of 𝜋 12) A gas tank is in the shape of a rectangular prism. Its dimensions are 3 ft wide, 2 ft long and 4 ft deep. a) What is the volume in cubic ft? b) How many gallons of gas does it hold? Answers???? 1a) c = 10 1b) a = 6 cm 2) A = 32 cm2 3) A = 196𝜋 m2 4) 40𝜋 cm2 5) A = 21.5 cm2 6) V = 33𝜋 cm3 7) V = 411.968 cm3 8) V = 54𝜋 cm3 9) 24235 ml 10) 2.4 L 11) 432 in 12a) 24 ft3 12b) 179.52 gallons Grima MAT 142 Chapter 2 in class practice problems PART 2 13) A car is traveling 70 mph. What is its speed in kmph (kilometers per hour)? 14) Write as a Roman Numeral. 14a) 1924 14b) 399 15) Write as a Hindu Arabic numeral 15a) XLVII 15b) MMCMLIX 16) Convert to base 10 16a) 5146 16b) 31425 17) Convert to the indicated base. 17a) 52 to base 6 17b) 117 to base 3 17c) 13 to base 2 Answers????? 13) 112 kmph 14a) MCMXXIV 15a) 47 15b) 2959 16a) 190 16b) 422 17a) 1246 17b) 111003 14b) CCCXCIX 17c) 11012