Final Exam Math 202 Questions With Complete Solutions

Q: Choose the list of number systems such that all those in the list are closed under subtraction correct answer: A: Rational Numbers, Real Numbers, Integers Q: If an angle has a measure of 60 degrees what is the measure of the supplementary angle? correct answer: A: 120 Suppose that a triangle has angles of measure 23,53 and x. What is the measure of angle x? correct answer: 104 Suppose you have a parallelogram with four congruent sides. Which of the labels below always applies to this polygon? correct answer: Rhoumbus What is the sum of the measures of the interior angles of a pentagon correct answer: 540 Which of the following is a solution to the equation 2x+1=-11 correct answer: -6 Which of the following numbers is rational? correct answer: 4.2/10 Which of the following statements is true? correct answer: All trapezoids are quadrilaterals Suppose there is a new unit of length called the wiffle. 1 inch = 2 wiffles. Convert 3 feet to wiffles correct answer: 72 Wiffles The number pi is defined to be the ratio of a circle's circumference to its diameter. Suppose that a circle has a diameter of 3 inches. What is the circumference? correct answer: 9.42 in What is the area of a circle of radius 5? correct answer: 25pi Given a circle of cirucumference C, what happens to the circumference if we double the radius? correct answer: It Doubles