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jonny [76]
3 years ago
15

If the total surface area of lidless cubical box is 90 cm square find the length of edge of the box​

Mathematics
1 answer:
nikdorinn [45]3 years ago
4 0

Answer:

√18

Step-by-step explanation:

Ok, there's 5 squares that make up the box since the top's missing, so do:

90/5 --> 18

Since squares are simply length^2 to get the area, square root this value to give you your answer for each side length of this box:

√18

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Please answer the question below
alexandr402 [8]

The value of x in the given sector is determined as 7.1.

<h3>Area of the sector</h3>

Total area of the sector = area of the shaded + area of the unshaded

Since shaded and unshaded areas are equal, the value of x is calculated as follows;

πr²θ/360 = πx²60/360 +  πx²60/360

πr²θ/360 = 2(πx²θ/360)

πr² = 2(πx²)

r² = 2x²

x² = r²/2

x² = (10²)/2

x² = 50

x = √50

x = 7.1

Thus, the value of x in the given sector is determined as 7.1.

Learn more about area of sector here: brainly.com/question/22972014

#SPJ1

4 0
1 year ago
Nathan plants equal sized squares of sod in his front yard each square has an area of 6 square feet Nathan plants a total of 100
Darya [45]
Multiply 6x1000 wich will give you the total area

7 0
3 years ago
Read 2 more answers
Twenty eight slips of paper are numbered 1 through 28 and are distributed among a group of people. A random number generator is
Inessa05 [86]

Answer:

Option C is the correct answer.

Step-by-step explanation:

Since a random number generator is used to select a single number between 1 and 28, inclusively;

For a fair decision to be made during the process, the number of persons in the set must be a divisor of 28.

Let's list the divisors of 28:

The divisors of 28 are {1, 2, 4, 7, 14, 28}

The only option that contains one of the divisors is option C which is 7.

5 0
3 years ago
Given: ∠AOB is a central angle and ∠ACB is a circumscribed angle.
Novosadov [1.4K]

Answer:

We are given that angle AOB is a central angle of circle O and that angle ACB is a circumscribed angle of circle O. We see that AO ≅ BO because  

✔ all radii of the same circle are congruent.

We also know that AC ≅ BC since  

✔ tangents to a circle that intersect are congruent.

Using the reflexive property, we see that  

✔ side CO is congruent to side CO.

Therefore, we conclude that △ACO is congruent to △BCO by the  

✔ SSS congruence theorem.

please mark brainliest....  hope you have a great day ! XD

4 0
3 years ago
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Please answer this correctly without making mistakes
Lelu [443]

Answer:

so first convert to fraction so

9 3/4 = 39/4

so it was spread among 3

so this is division so you do 39/4 divided by 3

so you keep switch flip

which is  39/4 *1/3

answer is 13/4

8 0
3 years ago
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