Math, asked by raiutkarsh1705, 11 months ago

Lengh of second hand is 21cm. Find the area of swept by second hand in 40 second

Answers

Answered by aagarg2001

0

Answer:

area swept by second hand = 924 cm²

Step-by-step explanation:

area of clock whose radius is 21 cm

=πr²

= 22/7*21cm*21cm

= 1386 cm²

area swept by second hand =

(area of clock/60 second)*40 second

=(1386cm²/60second)*40 second

= 924cm²

Previous Question

Next Question

Similar questions

Economy, 6 months ago

explain community problem?

English, 6 months ago

Q1(C). Identify and write the adverbs in the blanks given in each sentence. Albert Einstein was a very smart mathematician. ( _______________________ ) ...

English, 6 months ago

Read this writing prompt. Write an argumentative essay about whether fast food companies should be allowed to advertise on children’s television stations. Based on the prompt, which claim is the strongest? Because children need to be protected, children’s television stations can be selective about the companies that advertise with them. Fast food companies should not be allowed to advertise...

Math, 11 months ago

find the area of sector whose radius is 7 cm with given angle 90 degree Find the area of sector whose radius is 7 cm with given angle 90 degrees search it...

English, 11 months ago

Two lines slogan on the fundamental rights...

Biology, 1 year ago

in angiosperm pollen tube of germinated pollen carries two male gamete. What is the purpose of carrying two gametes when single gamete can fertilize the egg?

Biology, 1 year ago

Regarding quality of fuel what is the standard level of fossils fuels ?

Physics, 1 year ago

a beaker is filled with a liquid of density p upto a height h . if the beaker is at rest , the mean pressure on the walls is ?