millygreen1 millygreen1

25-01-2022
Mathematics

contestada

I really have no idea how do this so an explanation with an answer would be really helpful :)
Tysm

I really have no idea how do this so an explanation with an answer would be really helpful Tysm class=

Respuesta :

akabane009 akabane009

25-01-2022

Answer:

So, BC = 5.6 cm

Step-by-step explanation:

Since its a right angled triangle,

taking 62 as reference angle,

cos62 = b/h

or, cos62 = AB/BC

or, cos62 = AB/12cm

or, cos62×12cm = BC

so, BC = 5.63

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