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den301095 [7]
3 years ago
14

Please help me I need to pass this:(

Mathematics
1 answer:
Fynjy0 [20]3 years ago
7 0
It is 124 i think :)
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Find the are of the segment
Alex777 [14]

Answer:

(9\pi  - 18)cm^2

Step-by-step explanation:

To find the area of this section of the triangle, we will have to find the area of the sector, and then subtract the area of the triangle. To first find the area of the sector of the circle. Remember that the sector of a circle can be found using a proportion of angles. Since there is an angle of 90 degrees in the center. We will take that and divide it by 360 degrees, which is an entire circle. \frac{90}{360} = \frac{1}{4}, so the sector is one-quarter of the entire circle. Now find the area of the entire circle which will be \pi r^{2}× \frac{1}{4}, where r is 6 since it is the radius of the circle. So therefore the area of the sectore will be a quarter of 36\pi, which is 9\pi.

Now you must find the area of the triangle with side length 6. Remember, this is an isosceles triangle with sides length of 6 because two of the sides are radii. Also, remember that this is a 90 degree triangle, so the area of the triangle is simply \frac{6*6}{2}, which is 18 cm^2.

Now to find the area of just the yellow segment, just take the area of the sector we found, and subtract the area of the triangle. Therefore, the answer is (9\pi  - 18)cm^2

Hope this helped.

4 0
3 years ago
if the sales tax in your city is 6.1%, and an item costs $167 before tax, how much tax would you pay on that item?
Kryger [21]
167x.061=  $10.19+167= $177.19
8 0
3 years ago
Why is the grid in Example 1 a good way to<br> represent a percent?
Tems11 [23]

Answer:

percent means  <u>per hundred </u>

Between the 100 squares, 60 of them are shaded

so you do 60/100

it's kind of like correcting tests, you have 100 questions, you got 80 of them right so its going to be 80/100

when you calculate percentage, you do the fraction x 100

so it's 60/100 = 0.6 x100 = 60%

hope that answers your question

Don't hesitate to leave a comment if you are confused about something

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The length of a rectangle is 2 inches more than the width. The perimeter is 24 inches. Find the length and width
Gnesinka [82]
X + x + x + x + 2 + 2 = 24                Length: (x + 2) = 5 + 2 = 7 inches
                      4x + 4 = 24                Width: (x) = 5 inches
                             -4    -4
                            4x = 20
                   divide by 4 on both sides
                              x = 5
5 0
3 years ago
What decimal point is represented by this expanded form? 4 x 10000 + 5 x 1000 + 7 x 100 + 2 x 1 + 8 x .01 + 6 x .001
bogdanovich [222]
I hope this is what you wanted or asked <span>45702.086</span>
3 0
3 years ago
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