English, asked by ash7177, 1 year ago

the iron pipe 20 cm long has external diameter equal to 25 cm to the class of the pipe is 1 centimetre find the total surface

Answers

Answered by chethansrinivasreddy

1

2*22/7*12.5+2*22/7*12+2*22/7*[12.5*12.5-12*12]
78.57+75.43+77
231cm^2

ash7177: very very wrong

ash7177: bad

Previous Question

Next Question

Similar questions

Hindi, 6 months ago

पाठ - बड़े भाई साहब में किन शब्दों का सुंदर मिश्रण है? O तत्सम O तदभव O देशज एवं विदेशी O सभी...

Chemistry, 6 months ago

Which of the following is the correct arrangement of the given metals in ascending order of their reactivity? Zinc, Iron, Magnesium, Sodium *...

English, 6 months ago

a woman who make living by sewing is called...

Math, 1 year ago

simplify 2 1/2 +3 1/8 ÷ 1 1/4 + 1 1/4...

English, 1 year ago

a soon or daughter will come to visit them ( replace the infinitive)...

Hindi, 1 year ago

abhibhavak or adhyapak ke madhya mobil par samvad...

Computer Science, 1 year ago

write the name of service provider or type of service that is most popular or commonly used in your locality also try to find out wch type of service is cheapest and why...

Chemistry, 1 year ago

Q. Why are silk clothes smooth, wle cotton clothes rough to touch?