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Elementary Geometry For College Students, 7e
- In Exercises 11 to14 , assume that X, Y , and Z are midpoints of the sides of RST. If RS=12, ST=14, and RT=16, find: a XY b XZ c YZarrow_forwardGiven: mn Transversal k m1=5x+y m2=3x+y m8=3x+5y Find: x, y, and m8 Exercise 17-19arrow_forwardNote: Exercises preceded by an asterisk are of a more challenging nature. Given: OC=8andOE=6OECDinO Find: CDarrow_forward
- In Exercises 11 to 14, assume that X, Y, and Z are midpoints of the sides of RST. If XY=6, YZ=8, and XZ=10, find: a RS b ST C RTarrow_forwardIn Exercises 9 and 10, classify the triangle not shown by considering the measures of its angles. a In XYZ, mX=123. b In RST, mR=45, mS=65 and mT=70.arrow_forwardProve by the indirect method: Given: Scalene XYZ in which ZW bisects XZY point W lies on XY. Prove: ZW is not perpendicular to XYarrow_forward
- In Exercises 25 to 28, ABCDBE Exercises 25-28 Given: AC = 10, CB = 12. E is the midpoint of CB Find: DEarrow_forwardIn Review Exercises 4 to 6, name the type of reasoning illustrated. While watching the pitcher warm up, Phillip thinks, Ill be able to hit against him.arrow_forwardIn Exercises 27 to 30, provide a paragraph proof. Given:OandQ are tangent at point F Secant ACtoO Secant AEtoQ Common internal tangent AF Prove:ACAB=AEADarrow_forward
- In Exercises 15 to 19, create drawings as needed. Given: XYZ with XYXZYZ ZWXY with W on XY YZ=6 Find: ZWarrow_forwardDoes it follow from Exercise 30 that ADE is also congruent to CBE? What can you conclude regarding AE and CE in the drawing? What can you conclude regarding DEandBE?arrow_forwardIn Exercise 33, provide a two-column proof. Given:ABDF,BDFG Prove:ABCEFGarrow_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