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Mathematics 12 Online
OpenStudy (anonymous):

The following is a circle with radius A in which two secant lines are drawn from an external point F. Jennifer made the following measurements: CF = 8 cm, DF = 4 cm, EF = 7 cm and BF = 3 cm. The following proof shows that Jennifer’s measurements were wrong. What is the missing reason in the proof? Multiplication Property of Equality Simplify Two Secants from the Same Point Substitution http://assets.openstudy.com/updates/attachments/4fbbc87ce4b055653430b451-xxloserlikemexx-1337706632611-45684511112011112330am1481678737.png

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

The missing reason is "Substitution" since all you're doing is replacing the variables with their given values.

OpenStudy (anonymous):

as always ur amazing!!!! thanks<3

jimthompson5910 (jim_thompson5910):

lol yw

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