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Tasya [4]
3 years ago
13

Please help asap!!! NO WRONG ANSWERS PLS

Mathematics
2 answers:
Dovator [93]3 years ago
8 0
The answer is 41.27cm because the area of the square is 9cm. Then to find the area of the circle you multiply pie times the radius squared which gives you 50.27 so you subtract the squares are from the 50.27 and it gives the shaded par of the circle which is 41.27cm.
4vir4ik [10]3 years ago
6 0

Answer:

= 41.4 {cm}^{2}

Step-by-step explanation:

<h2><em><u>First</u></em><em><u> </u></em><em><u>case</u></em><em><u>:</u></em></h2>

Sides of a square = 3 cm

Therefore, area of the square = <em>side × side</em>

= 3cm × 3cm

= 9 {cm}^{2}

<h2><em><u>Second</u></em><em><u> </u></em><em><u>c</u></em><em><u>ase</u></em><em><u>:</u></em></h2>

Radius of the circle = 4cm

Therefore, area of the circle

= \pi  {r}^{2}

= 3.15 \times 4cm \times 4cm

= 50.4 {cm}^{2}

<h2><em><u>Last</u></em><em><u> </u></em><em><u>case</u></em><em><u>:</u></em></h2>

Area of the shaded region

= <em>Area</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>circle</em><em> </em><em>-</em><em> </em><em>Area</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>square</em><em> </em>

= (50.4 - 9) {cm}^{2}

= 41.4 {cm}^{2} (ans)

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10.) state whether the given side lengths can form a triangle
Verizon [17]

Answer:

A. 5,8,12, side lengths can form a triangle.

B. 20, 18, 2, side lengths can not form a triangle.

C. 15, 26 , 9, side lengths can not form a triangle.

D. 4.75, 12.25, 16.25, side lengths can form a triangle.

Step-by-step explanation:

We are given three sides in options A, B , C and D.

We need to check if the given sides would form a triangle or not.

Note: Sum of two sides is always greater than third sides in a triangle.

So, we need to check the sum of two sides of given sides length to check if sum is greater than third side length.

A. 5,8,12.

5+8 is greater than 12.

5+12 is greater than 8.

12+8 is greater than 5.

Therefore A. 5,8,12, side lengths can form a triangle.

B. 20, 18, 2

18+2 is not greater than 20.

Therefore B. 20, 18, 2, side lengths can not form a triangle.

C. 15, 26 , 9

15+9 is less than 26.

Therefore C. 15, 26 , 9, side lengths can not form a triangle.

D. 4.75, 12.25, 16.25.

4.75+12.25 is greater than 16.25.

4.75+16.25 is greater than 12.25.

12.25+16.25 is greater than 4.75.

Therefore D. 4.75, 12.25, 16.25, side lengths can form a triangle.


3 0
3 years ago
A rectangle with vertices L(3, –1), M(3, –8), N(8, –8), and O(8, –1) is reflected over the y-axis.
Katen [24]

i dont know if you can see it

7 0
3 years ago
Correct answer only need urgent help
Andreas93 [3]

Answer:

Step-by-step explanation:

Use the formule V=4/3 *Pi*R^3

where R =10

so V=4/3*Pi*10^3

v= 4000Pi/3 =4188.7902

8 0
2 years ago
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Damm [24]

Answer:

4:     3  1/4 inches

5:     13 inches

Step-by-step explanation:

4 0
3 years ago
How do you put these in order from least to greatest? 13%, 1/3, 0.35, 0.25?
labwork [276]
13% 0.25 1/3 0.35 least to greatest
3 0
3 years ago
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