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Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter4: Quadrilaterals
Section4.4: The Trapezoid
Problem 24E: The state of Nevada approximates the shape of a trapezoid with these dimensions for boundaries: 340...
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A group of students is in London learning English. Mr. Clever, the guide of your group, proposes you to visit The London Eye. Although some are afraid to ride the gigantic Ferris wheel of the millennium, others think it can be fun, and that the views and photos from above will be worth it. In the end they decide to walk along the Thames until they reach the famous Ferris wheel and there the group is divided between the daring ones who go up and the most fearful: Fernando, Clara and, of course, Mr. Clever, who are waiting downstairs. To entertain the wait, Mr. Clever asks them if anyone gets to see the Bridge Tower. He tells them that he is 2.25 km away in a straight line and, coincidentally, he takes a small goniometer out of his pocket. Measure the angle with it and please tell me which is the Tower's height. Arianna, an Italian girl in the group, asks the guide to leave her the goniometer, and tells the others that she sees the highest point of the tower with an angle of 1.98. What is the approximate height of the tower? How can it be calculated? When a few minutes have passed, the Ferris wheel suddenly stops due to a breakdown and screams begin to be heard from the baskets. The boys observe that the basket in which their classmates go has been in position A. To keep the boys busy while the problem is fixed, Mr. Clever, without losing his British phlegm, comments: It seems like the London Eye is not working very well today! Hey guys, can you tell your friends what height they are at? Fernando and Clara try to solve the problem. The only data they have are those indicated at the entrance of it: maximum height 135 m and it has 30 baskets. Can you help them? Only use the formulas in the photo
a=12 cm, b=15 cm y
los y calcula sus á
udio sobre con:
s dimensiones
vértices ABC
Ja figura. Calc
ainada.
a favorecer €
sla de prom
de energía, a
co de fotosí
o con forn
ediante un
misma áre
a para sei
que corr
Teorema del
b
sen B
a
sen A
=
seno
-
Ceuando
с
senc
Teorema del coseno
a² = b ² + c²
2 bc cosA
B
B
b² = a ² + c² - 2 ac cos
c²= 2² + b² - 2 ab cos ĉ
Área
.a.c. sen
Transcribed Image Text:a=12 cm, b=15 cm y los y calcula sus á udio sobre con: s dimensiones vértices ABC Ja figura. Calc ainada. a favorecer € sla de prom de energía, a co de fotosí o con forn ediante un misma áre a para sei que corr Teorema del b sen B a sen A = seno - Ceuando с senc Teorema del coseno a² = b ² + c² 2 bc cosA B B b² = a ² + c² - 2 ac cos c²= 2² + b² - 2 ab cos ĉ Área .a.c. sen
noria y allí el grupo se divide entre los
más miedosos: Fernando, Clara y, of
se quedan esperando abajo.
Para entretener la espera, Mr. Clever
que se encuentra a 2,25 km de distar
del bolsillo. Medid con él el ángulo a
Aria
gor
tor
¿Cu
Cu
cau
tas
ha
tra
ca
It seems like the London Eye is not
height they are at?
A
Fernando y Clara tratan de resolve
se indican a la entrada de la misma
Transcribed Image Text:noria y allí el grupo se divide entre los más miedosos: Fernando, Clara y, of se quedan esperando abajo. Para entretener la espera, Mr. Clever que se encuentra a 2,25 km de distar del bolsillo. Medid con él el ángulo a Aria gor tor ¿Cu Cu cau tas ha tra ca It seems like the London Eye is not height they are at? A Fernando y Clara tratan de resolve se indican a la entrada de la misma
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