Concept explainers
Note: Exercises preceded by an asterisk are of a more challenging nature.
a) In the figure, are
b) Are
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Elementary Geometry For College Students, 7e
- In Exercises 41 to 50, use deduction to state a conclusion, if possible. If the sum of the measures of two angles is 90, then these angles are called complementary. Angle 1 measures 27 and angle 2 measures 63. Conclusion?arrow_forwardIn Exercise 1 to 10, classify each statement as true or false. DAACarrow_forwardIn Exercises 33 to 36, use intuition to state a conclusion. The two triangles shown are similar to each other. Conclusion?arrow_forward
- In Exercises 9 to 28, use the drawings as needed to answer the following questions. Give the meanings of CD,CD,CD,andCD.arrow_forwardIn Exercises 25 to 32, name the type of reasoning if any used. As a handcuffed man is brought into the police station, you glance at him and say to your friend, That fellow looks guilty to me.arrow_forwardIn Exercises 17 and 18, complete each proof by filling in the missing statements and reasons. Given: lm34 Prove: ln PROOF Statements Reasons 1. lm 1.? 2.12 2.? 3.23 3. If two lines intersect, the vertical s formed are 4. ? 4. Given 5. 14 5. Transitive Property of 6. ? 6.?arrow_forward
- In Exercises 41 to 50, use deduction to state a conclusion, if possible. If a student is enrolled in a literature course, then he or she will work very hard. Bram Spiegel digs ditches by hand six days a week. Conclusion?arrow_forwardIn Exercises 5 and 6, refer to the drawing. a Given that AX,BT, and CN, write a statement claiming that the triangles shown are similar. b Given that AN,CX, and BT, write a statement claiming that the triangles shown are similar. Exercises 5, 6arrow_forwardIn triangle ABC, line t is drawn through vertex A in such a way that tBC. aWhich pairs of s are ? bWhat is the sum of m1, m4, and m5 ? cWhat is the sum of measures of the s of ABC ?arrow_forward
- In Exercises 19 to 24, classify each statement as true or false. Triangles are round or circles are square.arrow_forwardIn Exercise 17 and 18 , complete each proof by filling in the missing statements and reasons. Given: 1 and 2 are complementary 3 and 1 are complementary Prove: BCDEarrow_forwardIn Exercises 33 to 36, use intuition to state a conclusion. Observe but do not measure the following angles. Conclusion?arrow_forward
- Elementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,Elementary Geometry for College StudentsGeometryISBN:9781285195698Author:Daniel C. Alexander, Geralyn M. KoeberleinPublisher:Cengage Learning