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blsea [12.9K]
3 years ago
6

Find the surface area! Please I need it quick

Mathematics
1 answer:
zloy xaker [14]3 years ago
7 0

Step-by-step explanation:

<h2>We first find the area of a trapezium and rectangular face</h2><h2>Fourmula to find the are of a trapezium is:</h2><h3>Area=1/2*(B+b)*h</h3><h3> =1/2*3.7*1.9</h3><h3> =3.515m²</h3><h2 /><h2>Since every rectangular face is different we gotta find each of them</h2>

<h3>Area1=4.8*2.1</h3><h3> =10.08 m²</h3><h3>Area2=4.8*1.4=6.72m²</h3><h3>Area3=4.8*2.3=11.05m²</h3><h3>Area4=4.8*1.9=9.12m²</h3>

<h3 /><h3>Now we find the area of the whole prism</h3><h3>Area=3.515*2+10.08+6.72+11.05+9.12</h3><h3>Area=44m²</h3>

<h2>Sorry my wireless went down!!!</h2><h2>Hope this helps and you already know what I would like to get</h2>

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Kazeer [188]

<u>Answer</u>

20


<u>Explanation</u>

USP is a triangle,

The angle at the center is double the angle at the circumference.

∴ <VSU at the circumference = 80/2 = 40°

< USP = 180 - 40 = 140.     (angles in a straight line)

The angle SUT = 20

Angles in a triangle add up to 180.

180 - (140 + 20) = 180 - 160

                          = 20°

7 0
3 years ago
Based on the given information and figure, what can you conclude, and why?*
julsineya [31]

Answer:

Triangle PQR congruent to Triangle TSR by SAS

Step-by-step explanation:

Hope this helps

7 0
3 years ago
1/2x^2 + 4x - 1 = 0<br> How to factor it
LenaWriter [7]

Answer:

x + 4 - 3√2 and x + 4 + 3√2

Step-by-step explanation:

When other methods seem to difficult to apply, try using the quadratic formula:

Here a = 1/2, b = 4 and c = -1.

Then the "discriminant" is b^2 - 4ac, or

(4)^2 - 4(1/2)(-1), or 16 + 2 = 18

Then the roots are:

     

      -4 ± √18, or -4 ± 3√2

and thus the factors are x + 4 - 3√2 and x + 4 + 3√2

x = ---------------------

3 0
3 years ago
The Farmer Supply is building storage building for fertilizer shaped top. The that has cylindrica base and cone county laws say
creativ13 [48]

Assuming  ℎ1 = 11 feet and ℎ 2 = 3 feet, the storage of the facility is going to be 603 cubic feet, which is more than 576 cubic feet

The diameter of the building has been given as 8cm

radius = d/2 = 8/2 = 4

Maximum height = h1 + h2 = 14

Find the volume of the fertilizer that is containeed in both of the trucks

2(12x4x6) = 576 feet

From the height of 14 feets we have to assume

h1 = 11 ft,

h2 = 3 ft

<h3>How to solve for volume</h3>

volume =\frac{1}{3} \pi r^{2} h2 + \pi r^{2} h1

= 0.333*3.14*4²*3 + 3.14*4²*11

= 602.8 ft ≈ 603

Read more on volume here: brainly.com/question/12410983

7 0
2 years ago
Kevin reads 8 pages in 15 minutes. If he reads at a constant rate, how long will it take him to read 20 pages? 65PTS!!
n200080 [17]

Answer:

  • 37.5 minutes

Step-by-step explanation:

<u>Use page/min ratio to solve:</u>

  • 8/15 = 20/x
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8 0
3 years ago
Read 2 more answers
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