Find m∠D. Put the answer below. m∠D =
2 answers:
Answer:
<h2><u>m∠D = 60°</u></h2>Step-by-step explanation:
Use the CAH from SOHCAHTOA.
CAH is cosΘ =
Substitute the given values into the above formula.
The adjacent side of ∠D measures 8, and the hypotenuse (the longest side of the right triangle) measures 16.
cosΘ =
cos D =
D = (
)
D = 60°
Therefore, the m∠D = 60°
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Answer:
B ) Negative
Step-by-step explanation:
Given the expression 3xy
when x>0 and y<0
The value of the expression 3xy will be negative.
This is because the product of a positive and negative number will always be negative.
For illustration,
Let x=5>0 and y=-5<0
3xy=3(5)(-5)=-75
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