4 Samir is a roofer. Here is a section of a roof made from straight pieces of wood.
Pitch
Angle o
D
12
45
11
42.5
10
40
DO NOT WRITE IN THIS AREA
9
37
8.
33.75
7
30
А
6
26.5
B.
С
5
22.5
Samir knows that
4
18.5
3
14
2
9.5
the shaded triangle is an equilateral triangle
the line DB is a line of symmetry
the line ABC is a straight line
the size of the angle marked xº indicates the pitch of the roof.
The table shows information about the pitch and angle of a roof.
1
4.5
0
0
TE IN THIS AREA
Find the value of x and use the table to give the pitch of the roof.​

use an equation of ratios to determine the amount of gas needed to fill the tank.

    0.2             0.8

  =    

288.75             x

                                                              231 gal

so, 0.2x = (0.8)(288.75 gal), and x = = 1155 gal.

                                                                0.2

it would take 1155 gal. to fill the tank.

the cost would be

1155 gal         $3

* = $3465   (answer)

      1           1 gal

hope this you

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step-by-step explanation:

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