A point is rotated 90 degrees clockwise around the origin. If the original coordinates are (-2,3), what are the new coordinates? A. (3,2) B. (-3,2) C. (2,-3) D. (3,-2) 相关知识点: 试题来源: 解析 D。顺时针旋转 90 度,原来的点(x,y)变为(y,-x),所以(-2,3)变为...
Point B is at (4, -2) in a coordinate system. If it is rotated 90 degrees clockwise around the origin, the new coordinates of point B will be ___. A. (-2, 4) B. (2, 4) C. (2, -4) D. (-2, -4) 相关知识点: 试题来源: 解析 C。解析:顺时针旋转 90 度,原来的横...
When a rectangle is rotated 90 degrees clockwise and then reflected across the x-axis, which of the following is the final shape? A. A square B. The original rectangle C. A parallelogram D. A trapezoid 相关知识点: 试题来源: 解析 C。解析:旋转 90 度顺时针后,矩形变为横向的,再关于 x...
If a figure is rotated 90 degrees clockwise around a point, which of the following will not change? A. The area of the figure B. The perimeter of the figure C. The position of the center of rotation D. The angles within the figure ...
The figure rotated 90 degrees clockwise. What kind of transformation is this? A. reflection B. translation C. rotation D. dilation 相关知识点: 试题来源: 解析 C。本题明确提到图形顺时针旋转 90 度,这是旋转的变换,选 C“rotation”。A 选项“reflection”是反射;B 选项“translation”是平移;D ...
The shape was rotated 90 degrees clockwise. Which of the following is the correct description? A. It moved to the right. B. It turned upside down. C. It changed its position horizontally. D. It changed its orientation. 相关知识点: ...
What is the new position of the square? A. on the left B. on the right C. above D. below 相关知识点: 试题来源: 解析 B。本题考查对图形旋转后的位置描述。“rotated 90 degrees clockwise”表示顺时针旋转 90 度,通常旋转后会在原来位置的右侧。反馈 收藏 ...
C. The rotated shape as described. D. The shape shrunk in size. 相关知识点: 试题来源: 解析 C。本题考查图形旋转的概念。A 选项是形状没有变化,不符合旋转 90 度的要求;B 选项是水平翻转,不是旋转;D 选项是形状缩小,与旋转无关。只有 C 选项是按照要求旋转后的形状。反馈 收藏 ...
A. clockwise B. counterclockwise C. forward D. backward 相关知识点: 试题来源: 解析 A。本题考查旋转方向的词汇。A 选项“clockwise”表示顺时针,B 选项“counterclockwise”表示逆时针,C 选项“forward”表示向前,D 选项“backward”表示向后。根据常识,正方形通常是顺时针旋转 90 度,所以选 A。反馈...
照知动队认便太空完示空格业时照知动队认便太空完示空格业时The figure is rotated 90 degrees clockwise. Which of the