22-03-2018
Mathematics

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Will someone help me with these 2 questions please?

Will someone help me with these 2 questions please class=

Respuesta :

MeganLouise MeganLouise

22-03-2018

1. Use pythagoras theory
(7.1)^2 + (3.4)^2 = AB^2
AB = 7.87 (3 sig figures ) (check answer in calculator )

2. Use trigonometry
Tan(x)=opp/adj
Tan(x)=13.4/3.7
X=tan^-1 (13.4/3.7)
X= 74.6

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