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Mathematics 8 Online
OpenStudy (anonymous):

A plane is sighted by two observers 1km apart of 74o and 78o. How high is the plane? answer rounded to 1 decimal place

OpenStudy (anonymous):

two observes at angles of 74 and 78*

OpenStudy (anonymous):

i believe you are suppose to use Tan. because i is looking for the hight and it already gave us the distance so you will be able to use tan(74) = x/1

OpenStudy (anonymous):

so it will be 3.5

OpenStudy (anonymous):

alright thanks

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