Math, asked by vzhbznnznz, 5 months ago

Mayank made a nice bird-bath for his garden in the shape of a cylinder with a hemispherical depresstion at one end. The height of the cylinder is 1.45m and its radius is 30cm. Find the total surface area of the bird bath.

Answers

Answered by Anonymous

Answer:

Hey mate

Refer to the attachment.....

✌

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Answered by Anonymous

Step-by-step explanation:

$\huge\pink{\boxed{\green{\mathcal{\overbrace{\underbrace{\fcolorbox{red}{aqua}{\underline{\pink{꧁ANSWER꧂}}}}}}}}}$

Let r be the common radius of the cylinder and hemisphere and h be the height of the hollow cylinder.

Then r=30cm;h=1.45m=145cm

Total surface are of the bird-bath = curved surface area of the cylinder + curved surface area of the hemisphere

=2πrh+2πr

2 =2π(h+r)

=2×

7

22 ×30(145+30)cm

2 =3.3m

2

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Mayank made a nice bird-bath for his garden in the shape of a cylinder with a hemispherical depresstion at one end. The height of the cylinder is 1.45m and its radius is 30cm. Find the total surface area of the bird bath.​

Answers

Let r be the common radius of the cylinder and hemisphere and h be the height of the hollow cylinder.

Then r=30cm;h=1.45m=145cm

Total surface are of the bird-bath = curved surface area of the cylinder + curved surface area of the hemisphere

=2πrh+2πr

2

=2π(h+r)

=2×

7

22

×30(145+30)cm

2

=3.3m

2

Mayank made a nice bird-bath for his garden in the shape of a cylinder with a hemispherical depresstion at one end. The height of the cylinder is 1.45m and its radius is 30cm. Find the total surface area of the bird bath.