20 14 Chongqing senior high school entrance examination mathematics volume a - Training Enrollment Network

20 14 Chongqing senior high school entrance examination mathematics volume a

The number of participants in the senior high school entrance examination is: 60÷20%=300.

The percentage of the first-class product is 90300× 100%=30%.

Therefore, the central angle of the sector representing Grade A is 360× 30% = 108.

So the answer is: 108.

Related articles

Children want to enter Yucai junior high school and ask which training class is good in Shenyang?

Did you start talking about negative numbers from the sixth grade of primary school?

Does the seller have to show a marriage certificate when Mianyang sells the joint property of husband and wife?

The answer to the comparative reading of Mr. Wu Liu's biography 20 15 Ningde middle school examination questions

What are the symmetrical shapes in human life?

What are the sentences that "praise the math teacher"?

Does Henan primary school mathematics interview test the People's Education Edition or the Soviet Education Edition?

What does the engineering postgraduate entrance examination take?

Suppose the crude oil treasure is short of $50 100 lots, how much will it earn if it falls to -40 dollars?

What is the meaning of mathematical symbols?