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Rina8888 [55]
2 years ago
12

Let's Apply Solve for the surface area of the following figures. ​please i need this rn​

Mathematics
1 answer:
Dafna1 [17]2 years ago
3 0

Answer:

Step-by-step explanation:

1) Surface area of a square = s*s = 12*12 = 144 in

2) Surface area of a Cone =  A=πr(r+h2+r2) = 3.142*4(4+22*2+4*2) = 351.904 cm^2

3) S.A of a Cylinder =2πrh+2πr2 = 2*3.142*2*14 + 2*3.142*2*2 = 201.088 m^2

4) S.A of a square Pyramid = a^2 + 2a squareroot (a^2/4 + h^2) = 516.5m^2

5) S.A of a Sphere = 4*pie*r^2 = 4* 3.142*15^2 = 2827.8mm^2

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Answer: Width of canvas = 9 inches

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Since we have given that

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\text{So, remaining length left for painting after painting the border} = 9-1-1=9-2=7\text{ inches}

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