3 years ago

What is the measure of Angle D F E?

Mathematics

2 answers:

LiRa [457]3 years ago

8 0

Answer:

152 degrees

Step-by-step explanation:

we know that

Exterior angle is supplementary to interior angle. Their sum is equal to 180 degrees

$m\angle DFE+28^o=180^o$

$m\angle DFE=180^o-28^o=152^o$

geniusboy [140]3 years ago

6 0

Answer:

Answer is D

Step-by-step explanation:

The guy above is smart, listen to him.

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Answer:

$110.9\ ft^{2}$

Step-by-step explanation:

we know that

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then

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Remember that

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To find the area of the equilateral triangle apply the law of sines

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we have that

$b=16\ ft$

substitute

$A=\frac{1}{2} (16^{2})sin(60\°)=110.9\ ft^{2}$

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Step-by-step explanation:

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1/9, -0.1, -2/12 in order

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Step-by-step explanation:

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How do you find X and Y?<br> 4y + 5z = 60<br> 5x + 3y = 60<br> 4x + 3z = 60

oee [108]

Answer:

1. y=5 x=8

2. x=9 y=5

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Step-by-step explanation:

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