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katen-ka-za [31]
3 years ago
8

Someone text me on sc queenalyssa_05

Mathematics
1 answer:
tekilochka [14]3 years ago
5 0
Okay! You’re a girl right? Lol
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How do I do this? It is a regular hexagon with a height of 30. We have to find the perimeter of it.
Sliva [168]

Answer:

The radius of a hexagon is called the apothem, which in this case is 15.

We need to know the side length which is found by the equation:

side length = apothem * 2 * (tan (180 / #sides))

side length = apothem * 2 * (tan (180 / 6))

side length = 15 * 2 * (tan (30 degrees))

side length = 30 * .57735

side length = 17.3205

We need the perimeter of the hexagon which equals the side length times six.

perimeter = 6 * 17.3205 = 103.923

Source: https://www.1728.org/polygon.htm

Step-by-step explanation:

8 0
4 years ago
MATH GRADE 8 15. a) and b)
Elden [556K]

Answer:   1300 cm³

a) Find the volume of the entire rectangle and subtract the volume of the missing section. Volume = L · w · h

Solid = Rectangle - Missing section  

        =  L · w · h    -   L · w · h  

        = 16 · 10 · 10 - 10 · 6 · 5

        =     1600     -     300

        =             1300

b) Find the volume of each section of the rectangle (base, left wing right wing) and add them. Volume = L · w · h

Solid =   Base       +   Left wing  +    Right wing  

        =  L · w · h    +     L · w · h   +     L · w · h

        = 16 · 10 · 5   +   5 · 10 · 5   +   5 · 10 · 5

        =     800       +     250        +      250

        =                        1300

The answer from (a) is the same as (b) \checkmark




6 0
4 years ago
VOLUME OF PYRAMIDS & CONES MAZE!
sukhopar [10]

Answer:

192m³

Step-by-step explanation:

This problem bothers on the mensuration of solid shapes, a square based pyramid

The highlighted figure is a square based pyramid

The volume of a pyramid is

V=a²h/3

Where a= base length

h= height

Given a= 8m

h= 9m

Volume = 8²*9/3

Volume = 64*3

Volume = 192m³

7 0
3 years ago
In ​ kite PQRS ​, TS=6 cm and TP=8 cm
asambeis [7]
PQ=17
RS=14


hope it help
6 0
3 years ago
Read 2 more answers
3.5 hours; $10<br> What is the unit rate per hour?
zaharov [31]

<em><u>Answer:</u></em>

The unit rate is $2.86 per hour

<u><em>Explanation:</em></u>

The units rate is amount earned in 1 hour

We are given that the rate for 3.5 hours is $10

<u>To get the unit rate, we will use cross multiplication as follows:</u>

3.5 hours ..........> $10

1 hour ..................> ??

units rate = \frac{1*10}{3.5} = \frac{20}{7} which is approximately $2.86 per hour

Hope this helps :)

3 0
3 years ago
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