网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
单选题
In the figure below, what is the value of a?
A

15°

B

25°

C

30°

D

45°

E

115°


参考答案

参考解析
解析:
已知上部倒三角形的两个内角分别为40°和25°,所以第三个角的度数180°-40°-25°=115°,所以与此角相对的下部三角形的角为115°,因此,a=180°-50°-115°=15°。
更多 “单选题In the figure below, what is the value of a?A 15°B 25°C 30°D 45°E 115°” 相关考题
考题 小儿的合理膳食中,蛋白质、脂肪、糖类3种营养素供能比例应为:蛋白质(%)脂肪(%)糖(%)A、12%~15% 30%~40% 40%~50%B、10%~15% 25%~30% 50%~60%C、10%~15% 25%~35% 45%~55%D、10%~10% 30%~40% 40%~50%E、15%~25% 25%~35% 45%~55%

考题 ●What is the decimal value of the binary value 10010? (70) .(70) A.18B.20C.14D.15

考题 下列四个序列中,哪一个是堆()。A、75,65,30,15,25,45,20,10B、75,65,45,10,30,25,20,15C、75,45,65,30,15,25,20,10D、75,45,65,10,25,30,20,15

考题 I can’t _________ what he was hinting at.A、figureB、figure outC、figure upD、figure at

考题 What is the default value of the IS-IS lsp-refresh-interval command?() A. 60 secondsB. 5 minutesC. 15 minutesD. 30 minutes

考题 下列四个序列中,()是堆。A.75,65,30,15,25,45,20,10 B.75,65,45,10,30,25,20,15 C.75,45,65,30,15,25,20,10 D.75,45,65,10,25,30,20,15

考题 生活饮用水水样采集容器高压蒸气灭菌要求( )。A.115℃ 20~30分钟 B.115℃ 45~60分钟 C.121℃ 15~20分钟 D.121℃ 30~45分钟 E.135℃ 10~15分钟

考题 斜齿圆柱齿轮斜角β的范围在()。A、8°~15°B、15°~25°C、25°~30°D、30°~45°

考题 生活饮用水水样采集容器高压蒸气灭菌要求()。A、115℃20~30分钟B、115℃45~60分钟C、121℃15~20分钟D、121℃30~45分钟E、135℃10~15分钟

考题 根据(大顶)堆积的定义,下面给出的四个序列中,()是一个堆积。A、75,45,65,30,15,25,20,10B、75,65,45,10,30,25,20,15C、75,65,30,15,25,45,20,10D、75,45,65,10,25,30,20,15

考题 三大产能物质蛋白质:脂肪:碳水化合物的比例是()。A、20%~25%:25%~30%:50%~60%B、10%~15%:20%~35%:50%~60%C、10%~25%:25%~30%:50%~60%D、10%~15%:25%~40%:50%~60%E、15%~25%:30%~45%:45%~60%

考题 下列四个序列中,()是堆。A、75,65,30,15,25,45,20,10B、75,65,45,10,30,25,20,15C、75,45,65,30,15,25,20,10D、75,45,65,10,25,30,20,15

考题 小儿的合理膳食中,蛋白质、脂肪、糖类3种营养素供能比例应为:蛋白质(%)脂肪(%)糖(%)()A、12%~15%30%~40%40%~50%B、10%~15%25%~30%50%~60%C、10%~15%25%~35%45%~55%D、10%~15%30%~40%40%~50%E、15%~25%25%~35%45%~55%

考题 What is the default value of the IS-IS lsp-refresh-interval command?()A、60 secondsB、5 minutesC、15 minutesD、30 minutes

考题 单选题In the correctly worked out addition example below, what is the greatest possible value of digit B?A 9B 8C 6D 5E 4

考题 单选题In the figure below, a small circle, with radius x, is inside a larger circle, with radius 6. What is the area, in terms of x, of the shaded region?A 6π-2πxB 6π-πx2C 12π-2πxD 36π-2πxE 36π-πx2

考题 单选题For what value of a is a Φ 4 = 24?A 3B 4C 6D 25/4E 8

考题 单选题小儿的合理膳食中,蛋白质、脂肪、糖类3种营养素供能比例应为:蛋白质(%)脂肪(%)糖(%)()A 12%~15%30%~40%40%~50%B 10%~15%25%~30%50%~60%C 10%~15%25%~35%45%~55%D 10%~15%30%~40%40%~50%E 15%~25%25%~35%45%~55%

考题 单选题斜齿圆柱齿轮斜角β的范围在()。A 8°~15°B 15°~25°C 25°~30°D 30°~45°

考题 单选题根据(大顶)堆积的定义,下面给出的四个序列中,()是一个堆积。A 75,45,65,30,15,25,20,10B 75,65,45,10,30,25,20,15C 75,65,30,15,25,45,20,10D 75,45,65,10,25,30,20,15

考题 单选题What is the default value of the IS-IS lsp-refresh-interval command?()A 60 secondsB 5 minutesC 15 minutesD 30 minutes

考题 单选题三大产能物质蛋白质:脂肪:碳水化合物的比例是()。A 20%~25%:25%~30%:50%~60%B 10%~15%:20%~35%:50%~60%C 10%~25%:25%~30%:50%~60%D 10%~15%:25%~40%:50%~60%E 15%~25%:30%~45%:45%~60%

考题 问答题In the figure below, what is the value of x?

考题 单选题If 5/x+4/5=1, what is the value of x?A -25/4B -4C -5/4D -1/5E 25

考题 单选题If the measures of the angles of a triangle are in the ratio of 2:3:4, what is the measure of the smallest angle of the triangle?A 20B 25C 30D 40E 45

考题 单选题下列四个序列中,()是堆。A 75,65,30,15,25,45,20,10B 75,65,45,10,30,25,20,15C 75,45,65,30,15,25,20,10D 75,45,65,10,25,30,20,15

考题 单选题If the average (arithmetic mean) of a, b, 4, and 10 is 8, what is the value of a + b?A 4B 6C 9D 15E 18