✓ Lesson Check
Do you know HOW?
Point T on
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- A point K in the regular hexagon is chosen at random. What is the probability that K lies in the region that is not shaded?
Do you UNDERSTAND?
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Reasoning In the figure below,
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Error Analysis Your class needs to find the probability that a point A in the square chosen at random lies in the shaded region. Your classmate's work is shown below. What is the error? Explain.
Practice and Problem-Solving Exercises
A Practice
See Problem 1.
A point on
See Problem 2.
- Transportation At a given bus stop, a city bus stops every 16 min. If a student arrives at his bus stop at a random time, what is the probability that he will not have to wait more than 4 min for the bus?
- Traffic Lights The cycle of the traffic light on Main Street at the intersection of Main Street and Commercial Street is 40 seconds green, 5 seconds yellow, and 30 seconds red. If you reach the intersection at a random time, what is the probability that the light is red?
- Communication Your friend is supposed to call you between 3 P.M. and 4 P.M. At 3:20 P.M., you realize that your cell phone is off and you immediately turn it on. What is the probability that you missed your friend's call?
Table of Contents
- 6-1 The Polygon Angle-Sum Theorems
- 6-2 Properties of Parallelograms
- 6-3 Proving That a Quadrilateral Is a Parallelogram
- 6-4 Properties of Rhombuses, Rectangles, and Squares
- 6-5 Conditions for Rhombuses, Rectangles, and Squares
- 6-6 Trapezoids and Kites
- 6-7 Polygons in the Coordinate Plane
- 6-8 and 6-9 Coordinate Geometry and Coordinate Proofs