结果1 题目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 -...
结果1 题目 What is the measure of the angle in the figure below, accurate to two decimal places? (Figure not drawn to scale.) ( ) A. 23.20^( ° ) B. 31.00^( ° ). C. 58.41^( ° ) D. 25.21^( ° ) 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
结果1 题目 If an angle is twice as large as its complementary angle, what is the measure of the angle? A. 30 degrees B. 60 degrees C. 45 degrees D. 90 degrees 相关知识点: 试题来源: 解析 B。设这个角为 x 度,它的补角为(90 - x)度。已知这个角是它补角的两倍,则 x = 2(90...
结果1 题目In an equilateral triangle, what is the measure of each angle? A. 30 degrees B. 60 degrees C. 90 degrees D. 120 degrees 相关知识点: 试题来源: 解析 B。等边三角形的三个角相等,三角形内角和为 180 度,所以每个角的度数为 180÷3 = 60 度。选项 A 角度过小,选项 C 是直角三角...
The measure of an angle is twice the measure of its complementary angle. What is the measure of the angle? A. 30 degrees B. 60 degrees C. 90 degrees D. 120 degrees 相关知识点: 试题来源: 解析 B。设这个角为 x 度,它的补角就是 90 - x 度。已知这个角是其补角的两倍,可列方程 x...
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。
干土千新易才亲叫这历节观真山度金The supplement of an angle is 24°more than the angle. What is the mea
In a triangle ABC, angle A = 60 degrees, angle B = 70 degrees. What is the measure of angle C? A. 50 degrees B. 60 degrees C. 70 degrees D. 80 degrees 相关知识点: 试题来源: 解析 A。三角形内角和是 180 度,已知角 A 和角 B 的度数,那么角 C 的度数为 180 - 60 - 70 =...
结果1 题目Look at the complex drawing. If angle A = 50° and angle B = 70°, what is the measure of angle C? A. 60° B. 80° C. 100° D. 120° 相关知识点: 试题来源: 解析 B。解析:因为三角形内角和是 180°,已知角 A 是 50°,角 B 是 70°,所以角 C = 180° - 50...
The measure of an angle is twice the measure of its complementary angle. What is the measure of this angle? A. 30 degrees B. 60 degrees C. 120 degrees D. 150 degrees 相关知识点: 试题来源: 解析 B。本题考查互补角的关系。设这个角为 x 度,则它的补角为 (90 - x) 度,由题可得 ...