SOLUTION: Determine {{{ AB }}} to {{{ 1 }}} decimal place
In the image below, m∠DAC = 42° , m∠DBC = 52° , m∠DCA = 90° , and BC = 8 units.
https://s15.postimg.org/ihdgxa2i
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-> SOLUTION: Determine {{{ AB }}} to {{{ 1 }}} decimal place
In the image below, m∠DAC = 42° , m∠DBC = 52° , m∠DCA = 90° , and BC = 8 units.
https://s15.postimg.org/ihdgxa2i
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Question 1059155: Determine to decimal place
In the image below, m∠DAC = 42° , m∠DBC = 52° , m∠DCA = 90° , and BC = 8 units.
https://s15.postimg.org/ihdgxa2i3/figure_rabc.png
A.)
B.)
C.)
D.) Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! tan 52=x/8, so x=8 tan 52=10.24
tan 42=x/(8+y), where y is AB. But x=10.24
Therefore, 8+y=x/tan 42
8+y=11.37
y=3.37, round to 3.4
C
