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Question Number 12008 by tawa last updated on 09/Apr/17

Commented by chux last updated on 09/Apr/17

$which country do you come from tawa$
	Answered by ajfour last updated on 09/Apr/17

	$7 a)$ $s l o p e o f A B = \frac{9 - 5}{10 - 2} = \frac{1}{2}$ $e q n o f A B :$ $y - 5 = \frac{1}{2} (x - 2)$ $o r 2 y = x + 8 . . . . (i)$ $a s l i n e t h r o u g h C i s ⊥ t o A B,$ $i t s s l o p e i s m_{C D} = - \frac{1}{m_{A B}}$ $= - 2$ $s l o p e o f l i n e t h r o u g h C i s$ $y - 2 = - 2 (x - 6)$ $o r 2 x + y = 14 . . . . (i i)$ $2 (i) g i v e s : 4 y = 2 x + 16$ $2 (i) + (i i) g i v e s :$ $5 y = 30 \Rightarrow y = 6 a n d x = 4$ $h e n c e p t . o f i n t e r s e c t i o n o f l i n e s$ $i s (4, 6) .$
	Commented by tawa last updated on 09/Apr/17

	$God bless you sir .$
	Commented by ajfour last updated on 09/Apr/17

	Commented by tawa last updated on 09/Apr/17

	$I really appreciate .$
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