Math, asked by sweetpragyaraj, 11 months ago

Please solve questions,
Q.32, Q.36 to Q. 40.
Please its urgent......
Yhe one who answers all the questions first, would be marked as the brainliest.

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Answers

Answered by riddhijain2525
0

Answer:

Step-by-step explanation:

Answer for 40

Volume of bucket = Volume of the frustum = πh(R^2+Rr+r^2 )/3

Here R = 40 cm

r = 16 cm

h = 32 cm.

Volume of bucket = 22*32*(40*40 + 40*16 + 16*16)/(3*7) = 22 * 32 * 2496/(3*7)

= 83675.42 cubic cm.

The bucket is normally open from the top and closed from bottom. (Add area of bottom circle to lateral surface area)

Hence total surface area = π(R+r)*s+ πr^2

s = Slant height. = √((h^2+(R-r)^2) = √(32^2+(40-16)^2 = 40cm.

Hence Total surface area of the bucket = π(40+16)*40+ π16^2 = 7844.57 Square cm.

Answered by sunainagupta1983
0

Answer is 40 (first ques)

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