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2 years ago

What's the perimeter of 15 & 2.5

Mathematics

1 answer:

ziro4ka [17]2 years ago

4 0

Answer:

15Perimeter= 60

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Make sure your answer is in

romanna [79]

Answer:

210° , 330°

Step-by-step explanation:

using the sides of the 30- 60- 90 triangle

with legs 1, $\sqrt{3}$ and hypotenuse 2 , then

$sin^{-1}$ $\frac{1}{2}$ = 30° ← related acute angle

since $sin^{-1}$ - $\frac{1}{2}$

then angle is in third / fourth quadrants , then required angles are

180° + 30° = 210° ← in third quadrant

360° - 30° = 330° ← in fourth quadrant

6 0

2 years ago

How do you find a missing side of a triangle using SOH CAH TOA

katrin2010 [14]

Answer:

See explanation and attachment

Step-by-step explanation:

SOH CAH TOA is a mnemonic.

SOH means $\sin \theta=\frac{Opposite}{Hypotenuse}$

CAH means $\cos \theta =\frac{Opposite}{Hypotenuse}$

TOA means $\tan \theta=\frac{Opposite}{Adjacent}$

Given an angle and a side of a right angle triangle, you can use the appropriate ratio to find the missing side.

For instance, find x in the diagram in the attachment.

In this case the best ratio to use is TOA.

$\tan 60\degree=\frac{\sqrt{3} }{x}$

$\implies x=\frac{\sqrt{3} }{\tan 60}$

$x=\frac{\sqrt{3} }{\sqrt{3} } =1$

All the other ratio also follow the same pattern

NB: Your calculator in degree should give $\tan 60\degree=\sqrt{3}$

3 0

3 years ago

Please help me with my math homework. I don’t understand it

Feliz [49]

Expert Checked

Me too there's no math problem...

Things you could try to fix this:

Try asking your teacher what is the work?

Try searching or contacting main educator on your work files.

Figure out what your teacher told you

Try calling the school or teacher.

Etc.

6 0

3 years ago

Which letters have 1-fold reflectional symmetry?

Veseljchak [2.6K]

capital A

lower case and upper case v

lower case and upper case o

lower case and upper case i

lower and upper case w

6 0

3 years ago

Round 36.319 to the nearest tenth

vampirchik [111]

36.3 because the digit in the hundredths place is not 5 or greater

3 0

3 years ago

Read 2 more answers