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Umnica [9.8K]
3 years ago
10

What’s the are of a trapezoid

Mathematics
1 answer:
kozerog [31]3 years ago
5 0
I need to know the question that tells us what the other parts are.
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Help. zoom in thank you if you help plz
Troyanec [42]
Multiply by b x h

b=base

h=height

and you will get your answer
8 0
3 years ago
Read 2 more answers
00:00
lara [203]

Answer:

It will take 39.27 gallons to repaint the barn.

Step-by-step explanation:

The image of the setup is obtained from online and attached to this solution.

The rectangular prism is a cuboid of

Length = 84 ft

Breadth = 38 ft

Height = 20 ft

And the triangular prism on top of the rectangular prism has a vertical height of 12 ft.

The surface area of the composite structure that is available for painting include the 4 sides of the top triangular prism and the four sides of rectangular prism

Two of the faces of the triangular prism are triangles with base of 38 ft and height of 12 ft.

The other two faces of the triangular prism are rectangles with length 84 ft and breadth of the hypoteneuse of the right angled triangle on top.

B² = 12² + 19²

B = 22.47 ft

Total Surface area of the faces of the rectangular prism is then

2×(84×20) + 2×(38×20) = 4880 ft²

Total surface area of the faces of the triangular prism is then

2×(0.5×12×38) + 2×(84×22.47) = 4,230.96 ft²

Total surface area = 4880 + 4230.96 = 9110.96 ft²

1 gallon of paint = 232 ft²

x gallons of paint = 9110.96 ft²

x = (1×9110.96/232) = 39.27 gallons.

Hope this Helps!!!

5 0
3 years ago
If a half gallon milk costs $1.24, what is the cost per pint?
PIT_PIT [208]

Hello! The answer is: $0.31


7 0
2 years ago
What is 12.99 remainder fraction? <br><br> Then could you please put it as a fraction?
Katarina [22]
It would bw 12 99/100 and then 1299/100
5 0
3 years ago
There are two sets of traffic lights outside Eric's house. One day, he times how often they change. Set A turns green every 60 s
Otrada [13]

Answer:

12:07pm

Step-by-step explanation:

first common multiple of 60 and 70 is 420

420 s = 7 mins

3 0
3 years ago
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