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marcoduuuh
Group Title
What is the length of side x in the triangle below?
A. 18.46
B. 28.48
C. 24.63
D. 21.21
E. 19.65
F. 24.04
(Picture below.)
 one year ago
 one year ago
marcoduuuh Group Title
What is the length of side x in the triangle below? A. 18.46 B. 28.48 C. 24.63 D. 21.21 E. 19.65 F. 24.04 (Picture below.)
 one year ago
 one year ago

This Question is Closed

jazy Group TitleBest ResponseYou've already chosen the best response.1
SOHCAHTOA dw:1359045969808:dw You have the adjacent and hypotenuse, so we use cosine. cos = adj/hyp cos45 = 17/x
 one year ago

ashishthomas7 Group TitleBest ResponseYou've already chosen the best response.0
the given triangle can be drawn as dw:1359046012943:dw
 one year ago

ashishthomas7 Group TitleBest ResponseYou've already chosen the best response.0
use eqn which @jazy told
 one year ago

tayluvsya Group TitleBest ResponseYou've already chosen the best response.0
your post is blinking y
 one year ago

jazy Group TitleBest ResponseYou've already chosen the best response.1
cos(45) = 17/x 0.707 = 17/x Multiply both sides by x. 0.707x = 17 Divide both sides by 0.707. x = 17 / 0.707 What do you get?
 one year ago

marcoduuuh Group TitleBest ResponseYou've already chosen the best response.1
1377.69?
 one year ago

marcoduuuh Group TitleBest ResponseYou've already chosen the best response.1
@tayluvsya what?
 one year ago

jazy Group TitleBest ResponseYou've already chosen the best response.1
By the way, this calculator helps a lot with these kind of equations. My teacher recommended it. (: http://web2.0calc.com/
 one year ago

jazy Group TitleBest ResponseYou've already chosen the best response.1
Marco divide 17 by 0.707.
 one year ago

tayluvsya Group TitleBest ResponseYou've already chosen the best response.0
your question was blinking it stopped never mind
 one year ago

marcoduuuh Group TitleBest ResponseYou've already chosen the best response.1
Oh cool! Thanks @jazy. And I got 24.05?
 one year ago

jazy Group TitleBest ResponseYou've already chosen the best response.1
Yeah you're right. (: Actually when I did cos(45) it was actually 0.7071. So 17 divided by 0.7071, rounded would be 24.04.
 one year ago

marcoduuuh Group TitleBest ResponseYou've already chosen the best response.1
Ups, I rounded it wrong :p
 one year ago

jazy Group TitleBest ResponseYou've already chosen the best response.1
No you got it right, I rounded too early in the process, sorryyyy! (:
 one year ago
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