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aivan3 [116]
2 years ago
15

Find the surface area of this cuboid. 1 cm 3 cm 2 cm

Mathematics
1 answer:
Ray Of Light [21]2 years ago
3 0

The surface area of the given cuboid is 22 cm²

<h3><u>Surface area of Solid shapes</u></h3>

From the question,

We are to calculate the surface area of the given cuboid.

The formula for calculating the surface area of a cuboid is

S.A = 2lw + 2lh + 2hw

Where,

l is the length

w is the width

and h is the height

From the given diagram

l = 3cm

w = 2cm

and h = 1cm

Putting the parameters into the formula, we get

S.A = 2(3\times 2) + 2(3\times 1) + 2(1\times 2)

This becomes

S.A = 2(6) + 2(3) + 2(2)

S.A = 12 + 6 + 4

S.A = 22 cm²

Hence, the surface area of the given cuboid is 22 cm²

Learn more on solid shapes here: brainly.com/question/8994737

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Find the distance between 2-3i and 9+21i
Andre45 [30]

Answer:

  25

Step-by-step explanation:

The distance is the magnitude of the difference:

  |(2 -3i) -(9 +21i)| = |-7 +24i| = √((-7)² +24²) = √625 = 25

The distance between the two points in the complex plane is 25 units.

6 0
3 years ago
The fountain is made up of two semicircles and one quarter circle. Find the perimeter and area of the fountain.
antoniya [11.8K]

Answer:

628ft²

Step-by-step explanation:

From the diagram, we are given the following

diameter of the semicircles

2semi circles  = 1 circle

Area of 2semicircles = πd²/4

Area of 2semicircles = 3.14(20)²/4

Area of 2semicircles = 3.14*400/4

Area of 2semicircles = 3.14*100

Area of 2semicircles = 314ft²

Area of the quarter circle =  πd²/4 * 1/4

Area of the quarter circle =  πd²/16

d = 2r

d = 2*20

d = 40ft

Area of the quarter circle  = 3.14(40)²/16

Area of the quarter circle = 3.14*1600/16

Area of the quarter circle = 3.14*100

Area of the quarter circle = 314ft²

Area of the fountain = 314ft²+314ft²

Area of the fountain = 628ft²

3 0
3 years ago
Neeedd helllp nowwwwwww!!!!! Please!!! Grad point <br> Find the measure of 1.
otez555 [7]

Maybe the answer is

<h3>60°</h3>

<h3>Explanation</h3>
  • The L between 2 and 3 shows that yeah... it has a neat degree (sorry dont know how to explain lol) and so the triangle which has 3 side and total 180° will be 180° : 3 = 60 because the degree is neat. :v

#sorry my english sucks lol

8 0
2 years ago
Kareem lives four tenth of a mile from the mall. write two equivalent fractions that show what fraction of a mile kareem lives f
ZanzabumX [31]
2/5 and 8/20 are equivalent fractions
8 0
3 years ago
An economist conducts a nationwide survey to study the financial perceptions of US adults. Specifically, he asks a random sample
katen-ka-za [31]

Answer:

a) (0.806, 0.852)

b)Margin of error ≤ 0.01

1.96*√{0.5*(1–0.5)/n} ≤ 0.01

√n ≥ 98

n ≥ 9604

• Smallest sample size = 9604

Step-by-step explanation:

I found this on Chegg

7 0
3 years ago
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