One angle is measured as 60 degrees. What is the measure of the other angle? A. 30 degrees B. 90 degrees C. 120 degrees D. 210 degrees 相关知识点: 试题来源: 解析 B。两个角的和是 150 度,其中一个角是 60 度,那么另一个角就是 150 - 60 = 90 度。反馈 收藏 ...
The ramp has an angle of 30 degrees. What is the meaning of “angle” in this case? A. gradient B. speed C. distance D. time 相关知识点: 试题来源: 解析 A。“angle”在这种情况下指的是坡度,选项 A“gradient”有坡度的意思;选项 B“speed”是速度;选项 C“distance”是距离;选项 D“...
Two angles are complementary. One angle is 30 degrees. What is the measure of the other angle? A. 60 degrees B. 45 degrees C. 30 degrees D. 150 degrees 相关知识点: 试题来源: 解析 A。互补角之和为 90 度,一个角为 30 度,另一个角为 90 - 30 = 60 度。
What is the measure of a straight angle? A. 90 degrees B. 180 degrees C. 360 degrees D. 270 degrees 相关知识点: 试题来源: 解析 B。解析:straight angle 是平角,平角的度数是 180 度。选项 A90 度是直角的度数;选项 C360 度是周角的度数;选项 D270 度不是平角的度数。
结果1 题目 If the actual angle is 45 degrees, but you measured it as 55 degrees, what is the error? A. 10 degrees less B. 10 degrees more C. 15 degrees less D. 15 degrees more 相关知识点: 试题来源: 解析 B。本题的易错点是要清楚测量结果比实际角度大了 10 度。 反馈 收藏 ...
A right angle is divided into two angles. One of the angles is 35 degrees. What is the measure of the other angle? A. 55 degrees B. 65 degrees C. 45 degrees D. 35 degrees 相关知识点: 试题来源: 解析 A。直角为 90 度,一个角是 35 度,那么另一个角是 90 - 35 = 55 度。选...
An angle is 30 degrees more than its complementary angle. What is the measure of the angle? A. 60 degrees B. 30 degrees C. 45 degrees D. 75 degrees 相关知识点: 试题来源: 解析 D。设这个角为 x 度,它的补角为(90 - x)度。已知这个角比它的补角大 30 度,则 x = (90 - x) + ...
Observe the parallelogram. If one angle is 80 degrees, what is the measure of its adjacent angle? A. 80 degrees B. 100 degrees C. 180 degrees D. 20 degrees 相关知识点: 试题来源: 解析 B。平行四边形的邻角互补,和为 180 度。已知一个角为 80 度,其邻角 = 180 度 - 80 度 = 100 度...
If an angle is 60 degrees and another angle is 30 degrees, what is the sum of these two angles? A. 80 degrees B. 90 degrees C. 100 degrees D. 120 degrees 相关知识点: 试题来源: 解析 B。解析:60 度加 30 度等于 90 度,这道题考查角度加法的基本运算,需要注意计算准确。
In a right triangle, if one angle is 45 degrees and one side is 5, what is the length of the other side? A. 5 B. 5√2 C. 10 D. 5√3 相关知识点: 试题来源: 解析 A。因为是 45 度的直角三角形,所以两直角边相等,所以另一条直角边也是 5 。