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Law Incorporation [45]
3 years ago
7

What is the surface area of the figure?

Mathematics
1 answer:
Anna71 [15]3 years ago
5 0

Answer:

B

Step-by-step explanation:

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The perimeter of a square is 420cm long. what is the length of each side?​
Zepler [3.9K]

Answer:

Each side of the square is 105cm long

Hope this helps.

Step-by-step explanation:

5 0
3 years ago
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Find the number of sides of a regular polygon given the measure of one interior angle.
dolphi86 [110]

Answer: Number of sides of regular polygon is 2.

But with two sides it can't form polygon.

Step-by-step explanation:

Since we have given that

Measure of one interior angle is given by

9.144\textdegree

so, As we know that to get an exterior angle , we will use "Linear pair":

Let exterior angle be x.

x+9.144\textdegree=180\textdegree\\\\x=180\textdegree-9.144\textdegree\\\\x=170.856\textdegree

Now, we know the formula for " Number of sides ":

\text{Number of sides }=\frac{360}{x}\\\\\text{Number of sides }=\frac{360}{170.856}\\\\\text{Number of sides }=2.1\\\\\text{but number of sides can't be in decimal.So,}\\\\\text{Number of sides }=2

Hence, Number of sides of regular polygon is 2.

But with two sides it can't form polygon.

6 0
3 years ago
Mary had 45 blue ribbons for every 15 yellow ribbons. If she bought 30 yellow ribbons how many blue ribbons will she need?
soldi70 [24.7K]

Answer:

90 blue ribbons

Step-by-step explanation:

5 0
3 years ago
I dont know what this is please help me thx <3
butalik [34]

Answer:

x>0

Step-by-step explanation:

since the circle is white and not blue, it is a normal greater than sign and since the arrow is going to the right it is greater than

3 0
3 years ago
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The measure of two vertical angles are 45 percent and (4x + 1 ). Find the value of x
Svetllana [295]
Since angles that are vertical to each other are equal to each other, the first thing I did is set 45 equal to 4x+1 which would look something like this: 45=4x+1
Then I solved for x. First, I subtracted 1 from each side to isolate 4x which would get me to 4x=44. Then I divided each side by 4 to isolate x and get me to my answer which would be x=11. 
8 0
3 years ago
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