3 years ago

I need help can you guys help me

2 answers:

6 0

90 degrees

Explanation- because a triangle has to =180 degrees so if you have one right triangle (90 degrees) the other two angles have to add together to make 90.

Stolb23 [73]3 years ago

4 0

Answer:

Step-by-step explanation:

a right angle is always 90 degrees

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Step-by-step explanation:

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3 years ago

A line passes through the points (4,9) and (12,20) what is the slope of the line?

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20 - 9 = 11
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3 years ago

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If CD = 7√3, find AE<br><br> I give you 25, PLSS HELPPP

saw5 [17]

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AE = 22.86

Step-by-step explanation:

In triangle CDE

cos 30° = CD/CE

$\frac{\sqrt 3}{2} = \frac {7\sqrt 3}{CE}$

$CE= {7\sqrt 3}\times \frac{2}{\sqrt 3}$

$CE= 14$

In triangle BCE

sin 45° = CE/BE

$\frac{1}{\sqrt 2}= \frac{14}{BE}$

$BE= 14\sqrt 2$

In triangle ABE

sin 60° = BE/AE

$\frac{\sqrt 3}{2}= \frac{14\sqrt 2}{AE}$

$AE= 14\sqrt 2\times\frac{2}{\sqrt 3}$

$AE= \frac{28\sqrt 2}{\sqrt 3}$

$AE= \frac{28\sqrt 6}{ 3}$

$AE= \frac{68.5857128}{ 3}$

AE = 22.8619043

AE = 22.86

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3 years ago