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Mimi_x3
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The elevation angles of the tree top from Kevin and Lisa standing on the ground are respectively 40° and 30°. The bearings of Kevin and Lisa from the tree foot are respectively due East and SE.
If the tree is 20m high, how far apart are Kevin and Lisa, correct to the nearest metre?
 2 years ago
 2 years ago
Mimi_x3 Group Title
The elevation angles of the tree top from Kevin and Lisa standing on the ground are respectively 40° and 30°. The bearings of Kevin and Lisa from the tree foot are respectively due East and SE. If the tree is 20m high, how far apart are Kevin and Lisa, correct to the nearest metre?
 2 years ago
 2 years ago

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shanna Group TitleBest ResponseYou've already chosen the best response.1
631.891 meters
 2 years ago

Mimi_x3 Group TitleBest ResponseYou've already chosen the best response.0
Um, how did you get the answer ?
 2 years ago

shanna Group TitleBest ResponseYou've already chosen the best response.1
distance of Kevin from tree x = 20/tan(40)=23.835 distance of Lisa from tree x = 20/tan(30)=34.641 dw:1316064174096:dw distance between Kevin and Lisa = 34.641^2  23.835^2 =631.891 meters
 2 years ago

Mimi_x3 Group TitleBest ResponseYou've already chosen the best response.0
tyvm for drawing it (:
 2 years ago
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