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ANEK [815]
2 years ago
15

1.How to find perfect squares

Mathematics
1 answer:
ruslelena [56]2 years ago
6 0

Answer: square root of 34 is in between 5 and 6

Step-by-step explanation:

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the sum of six interior angles of a regular octagon is 800 the other two angles are equal find the size of each angle​
frosja888 [35]

An octagon is a polygon with 8 sides and angles. The two equal angles are 140 degrees each

<h3>How to calculate the sum of an interior angle of a polygon?</h3>

An octagon is a polygon with 8 sides and angles

The formula for calculating the sum of interior angle of a regular polygon is expressed as:

S = (n-2) * 180

If the sum of six interior angles of a regular octagon is 800 the other two angles are equal, then;

800 + 2x = (8-2)*180

800 + 2x = 1080
2x = 1080 - 800
2x = 280
x = 140

The two equal angles are 140 degrees each

Learn more on interior angles here: brainly.com/question/24966296

4 0
2 years ago
a store purchased a DVD for $12.00 and sold it to a customer for 50% more than the purchase price. the customer was a 7% tax whe
zepelin [54]
Answer : 19.26 ........ I know it
8 0
3 years ago
Read 2 more answers
The measure of central angle QRS is 8pi/9 radians. What is the area of the shaded sector?
Lapatulllka [165]

The area of the shaded sector must be 144π units².

<h3>What is the area of the circle?</h3>

The area of the circle is defined as the product of the pie and the square of the radius.

The area of the circle = \pi r^{2}

We know that the angle measurement of central angle QRS is less than π radians.

for r = 18 units

The area of the circle = π18² = 324π  units²

The area of ​​the half of a circle = 324π /2 = 162π units²

The area of ​​a quarter of a circle = 324π /4 = 81π  units²

so

The area of the shaded sector < 162π  units²

and

The area of the shaded sector > 81π  units²

Hence the answer must be 144π units²

Learn more about angles;

brainly.com/question/7116550

#SPJ1

5 0
1 year ago
Can someone please help me answer this?
posledela
It’s height x width 0.45 X 11= 4.95
Make sure not to put the unit behind it ;)
8 0
3 years ago
Solve the system of linear equations by elimination. x+y=3 x−y=1
DedPeter [7]
This is easy because they y's will cancel out. I love this method it's the easiest one out of substitution, and graphing. 

So the Y's will cancel out an you will get x=2. Then you plug the 2 in for x in the first equation. so it will 2+y-3. You subtract 2 from both sides to get y=1.

So the ordered pair is(2,1)   :)
6 0
3 years ago
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