Answer:
15. 15x4=60
Step-by-step explanation:
Answer:
Yup that's a scientific number alright.
Answer:
y=3.65
X=11.85
Step-by-step explanation:
sin(60)=y/12
sin(60)×12=y
y=3.65
sin(30)=X/12
sin(30)×12=X
X=11.85
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Triangles are similar ,
Thus :



Inverse both sides

Multiply sides by 6



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Answer:
Commutative Property
Step-by-step explanation:
Hope it helps. Please mark me brainliest if you would :D