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AcidRa1nBest ResponseYou've already chosen the best response.1
I know the answer is D
 2 years ago

AcidRa1nBest ResponseYou've already chosen the best response.1
Its something with 45 30 90 or something that one angle on the left
 2 years ago

saifoo.khanBest ResponseYou've already chosen the best response.1
\[\frac12\times base \times \text{(s um of p arallel sides)}\]
 2 years ago

AcidRa1nBest ResponseYou've already chosen the best response.1
you use the 1/2h (b1+b2)
 2 years ago

saifoo.khanBest ResponseYou've already chosen the best response.1
But we have to find the value of the line adjacent with 45*/
 2 years ago

AcidRa1nBest ResponseYou've already chosen the best response.1
Yeah how its something with 45 30 90 or something my teacher said i forgot
 2 years ago

saifoo.khanBest ResponseYou've already chosen the best response.1
Use tan ratio to find it.
 2 years ago

saifoo.khanBest ResponseYou've already chosen the best response.1
\[\tan \theta = \frac{opp}{adj}\] \[\tan 45 = \frac{7}{adj}\] \[adj = 7\]dw:1330659614940:dw
 2 years ago

saifoo.khanBest ResponseYou've already chosen the best response.1
Now you have all the values, \[\frac12 * 7 * (8+8+3+7)\]Solve.:)
 2 years ago

AcidRa1nBest ResponseYou've already chosen the best response.1
ohh its 7 why do you use tan?
 2 years ago

saifoo.khanBest ResponseYou've already chosen the best response.1
Because we have to choose either one of the three ratios.. If you feel confusion, try writing the 2 other ratios as well.. And try applying them. Later you will find that u can't use those here.
 2 years ago

AcidRa1nBest ResponseYou've already chosen the best response.1
oh alright thanks, got a big test tomorrow!
 2 years ago

saifoo.khanBest ResponseYou've already chosen the best response.1
Best of luck. Believe me, i too used to get confused b/w which one to use.. then i found a shortcut. ;)
 2 years ago
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