gaokao 2017 Q2

gaokao · China · national-I-science 5 marks Geometric Probability
As shown in the figure, the pattern inside square $ABCD$ comes from the ancient Chinese Tai Chi diagram with central symmetry about the center. If a point is randomly selected inside the square, the probability that this point is in the shaded region is
A. $\frac { 1 } { 4 }$
B. $\frac { \pi } { 8 }$
C. $\frac { 1 } { 2 }$
D. $\frac { \pi } { 4 }$ 
As shown in the figure, the pattern inside square $ABCD$ comes from the ancient Chinese Tai Chi diagram with central symmetry about the center. If a point is randomly selected inside the square, the probability that this point is in the shaded region is

A. $\frac { 1 } { 4 }$

B. $\frac { \pi } { 8 }$

C. $\frac { 1 } { 2 }$

D. $\frac { \pi } { 4 }$
Paper Questions
Q1 Q2 Q3 Q4 Q5 Q6 Q9 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18