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Pachacha [2.7K]
3 years ago
9

Geometry help please ;(

Mathematics
2 answers:
Crazy boy [7]3 years ago
8 0
The answer would be a reason being sinangle= opposite/hypotenuse
if u shift ur phone and observe it is 12/13
stealth61 [152]3 years ago
4 0
You know this is a right angled triangle. so you can use SOH CAH TOA.
taking <A as the angle you want to find. you can use any of the above with H,O or A . 
using sine : ur opposite is 12 ( the side opposite the <A) , your H is your hypotenuse(longest side) aka 13. 
Thus 
sine<A = 12/13 
OPTION A 
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The vertically opposite angles are the angles <DCA and <BCF. These angles are always equal.

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