挑战习题
1/5单选题
难度:

1.

直线a∥b∥c ab之间的距离是2,bc之间的距离是2,等腰直角三角形ABC,三个顶点分别在直线a、b、c上,则等腰直角三角形ABC的面积为(    ).


A

10

B

20

C

16

D

10

提示1:
PHA+6L+HQ+WBmkNE4oqlYjwvcD4=
提示2:
PHA+6L+HQuWBmkJF4oqlYTwvcD4=
提示3:
PHA+4pazQUNE4omM4pazQkNFPC9wPg==
正确答案:QQ==
PGRpdj7op6PvvJrov4dD5YGaQ0TiiqVi77yM6L+HQuWBmkJF4oqlYe+8jOKIteKWs0FCQ+aYr+etieiFsOebtOinkuS4ieinkuW9ojwvZGl2PjxkaXY+4oi0QUM9QkM8L2Rpdj48ZGl2PuagueaNrmHjgIFi44CBY+S5i+mXtOeahOi3neemu+mDveS4ujLvvIzlj6/lvpfiiKBBQ0Q94oigQkNF77yM4oigQURDPeKIoEJFQzwvZGl2PjxkaXY+5YiZ4pazQUNE4omM4pazQkNFPC9kaXY+PGRpdj7iiLRDRD0y77yMQUQ9QkU9NDwvZGl2PjxkaXY+4oi0QUM8c3VwPjI8L3N1cD49MjA8L2Rpdj48ZGl2PuKItOKWs0FCQ+eahOmdouenr+S4ujEwPC9kaXY+PGRpdj48aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMjUvM0MvckJBQ0UxTU5tX216cGpOdEFBQVNMMDFQMmIwMzQ0LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8yNS8zQy9yQkFDRTFNTm1fbXpwak50QUFBU0wwMVAyYjAzNDQucG5nIiBoZWlnaHQ9IjE1NiIgd2lkdGg9IjM0MCI+PC9kaXY+