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3 years ago

Hi can anyone plz help me with this and can you explain how you got it

Mathematics

2 answers:

zloy xaker [14]3 years ago

6 0

Answer:

What to prove, solve for?

kykrilka [37]3 years ago

6 0

Answer:

the triangles aren't congruent

Step-by-step explanation:

the three angles in a triangle should make 180

so let's see..

the first triangle

180 = 45 + 31 + x (x is the third angle)

x = 180 - 76

x = 104

we now look the second triangle and it has an angle 124 which isn't equal to 104 so two triangles are not congruent

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Pls help me find perimeter and area, id really appreciate it. thank u!

Agata [3.3K]

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3 years ago

A UFO is coming in to pick up some test subjects. Their elevation above the ground is 60,000 feet. Their laser sights tell them

charle [14.2K]

Answer:

41.83°

Step-by-step explanation:

It is given that :

The vertical distance of the UFO from the ground = 60,000 feet

The diagonal distance of the landing area to the UFO = 90,000 feet

In order to find the angle of depression, we have to use the trigonometric ratios, i.e.,

$\sin \ \theta = \frac{\text{perpendicular distance}}{\text{hypotenus}}$

$\sin \ \theta = \frac{60,000}{90,000}$

$\sin \ \theta = \frac{2}{3}$

$\sin \ \theta = 0.667$

∴ $\theta = \sin^{-1 }(0.667)$

= 41.83°

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3 years ago

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3 years ago

22/44 rational or irrational?

Genrish500 [490]

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3 years ago

Hi can anyone plz help me with this and can you explain how you got it ​

Hi can anyone plz help me with this and can you explain how you got it