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AcidRa1n
 3 years ago
Area of trapezoid
AcidRa1n
 3 years ago
Area of trapezoid

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AcidRa1n
 3 years ago
Best ResponseYou've already chosen the best response.1I know the answer is D

AcidRa1n
 3 years ago
Best ResponseYou've already chosen the best response.1Its something with 45 30 90 or something that one angle on the left

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

AcidRa1n
 3 years ago
Best ResponseYou've already chosen the best response.1you use the 1/2h (b1+b2)

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

AcidRa1n
 3 years ago
Best ResponseYou've already chosen the best response.1Yeah how its something with 45 30 90 or something my teacher said i forgot

saifoo.khan
 3 years ago
Best ResponseYou've already chosen the best response.1Use tan ratio to find it.

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

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

AcidRa1n
 3 years ago
Best ResponseYou've already chosen the best response.1ohh its 7 why do you use tan?

saifoo.khan
 3 years ago
Best ResponseYou've already chosen the best response.1Because 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.

AcidRa1n
 3 years ago
Best ResponseYou've already chosen the best response.1oh alright thanks, got a big test tomorrow!

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