638 is what percent of 725?
2 answers:
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Answer:
813 = 800 + 10 + 3 = (8 ) + ( 1
) + ( 3
)
Step-by-step explanation:
i) 813 = 800 + 10 + 3 = (8 ) + ( 1
) + ( 3
)
9514 1404 393
Answer:
14.9 cm
Step-by-step explanation:
To find c using the Law of Sines, you must know angle C. That is found from ...
C = 180° -A -B = 180° -150° -12° = 18°
Then the law of sines tells you ...
c/sin(C) = b/sin(B)
c = b·sin(C)/sin(B) = (10 cm)·sin(18°)/sin(12°)
c ≈ 14.9 cm
