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son4ous [18]
3 years ago
7

Answers for number 8 and 11 ?

Mathematics
1 answer:
Nonamiya [84]3 years ago
6 0

8. is C and 11. is A

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A regular hexagon is shown.
babymother [125]

Answer:

14 in.

Step-by-step explanation:

well to start we have to know the relationships between angles, legs and the hypotenuse.

a: adjacent

o: opposite

h: hypotenuse

sin α = o/h

cos α= a/h

tan α = o/a

now as we know that the triangle that is formed has a right angle of 90 degrees, and two other angles that are 30 and 60 degrees.

We can know this by the properties of the hexagons

hexagon is formed by 6 equilateral triangles

equilateral triangles have 3 angles of 60 degrees

the triangle of the image is half of one of those triangles so it will have the upper angle of 30 and the other of 60

Now if we take the angle of 30 degrees and apply the following formula

sin α = o/h

cos 30 = a/h

0.866 = 12/h

h = 12/0.866

h = 13.8564

h = c

the nearest number is 14

6 0
4 years ago
Read 2 more answers
5 employees works 6 4/15 hours pretty day how many hours in total do the 5 employees work pre day
Lubov Fominskaja [6]
You world need to multiply the 64/15 by 5
7 0
3 years ago
Please answer!!!!!! will give brainliest! and will be your friend if u want:)
masha68 [24]

Answer:

Step-by-step explanation:

Area of base = \frac{b*h}{2}

                     = \frac{4*4}{2} = 2*4 = 8 ft^{2}\\

Volume = 8 * 6  = 48 cubic ft

5 0
3 years ago
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If the current exchange rate is 1.35261 US dollars for each Euro, how many dollars would be exchanged for 285 Euro?
Ede4ka [16]
1.35261 * 285 = 385.49385
So i believe 385.49? I might've done that wrong
6 0
3 years ago
Read 2 more answers
Find the measure of the missing angle of each
MakcuM [25]

Answer:

? = 120, ? = 145, respectively

Step-by-step explanation:

? + 60 = 180

? (+ 60 - 60) = 180 - 60

? = 120

35 + ? = 180

(35 - 35) + ? = 180 - 35

? = 145

3 0
3 years ago
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