单项选择题

In the figure above, M, N and P are midpoints of the sides of an equilateral triangle whose perimeter is 18. What is the perimeter of the shaded region（）

A. 2
B. 3
C.
D. 6
E. 9

<上一题目录下一题>

热门试题

单项选择题

Workers at Companies X and Y are paid the same base hourly rate. Workers at Company X are paid 1.5 times the base hourly rate for each hour worked per week in excess of the first 37, while workers at Company Y are paid 1.5 times the base hourly rate for each hour worked per week in excess of the first 40. In a given week, how many hours must a Company X worker work in order to receive the same pay as a Company Y worker who works 46 hours（）

A. 46
B. 45
C. 44
D. 43
E. 42

单项选择题

The water level in a tank is lowered by 6 inches, then raised by inches, and then lowered by 4 inches. If the water level was x inches before the changes in level, which of the following represents the water level, in inches, after the changes （）

A.A
B.B
C.C
D.D
E.E

相关试题