百度试题 结果1 题目 In a triangle ABC, angle B is two times the size of angle A and angle C is 40∘ more than angle A. What is the size of angle A=∘ ? 相关知识点: 试题来源: 解析 35 N/A. 反馈 收藏
In a right angle triangle ABC , right angled at B, AB=6cm, BC=8cm ,then AC= ___ . 41.在直角三角形ABC中,在B处成直角,AB=6cm,BC=8cm,然后AC=___。(a) 10(b) 12(c) 21(d) 14Answer 回答(a) 6*6 + 8*8 = 10 * 10 答:(a) 相关知识点: 试题来源: 解析...
In triangle ABC, angle A = 75 degrees, angle B = 65 degrees, find angle C. Given triangle ABC if m angle A = 48 degrees, m angle B = 67 degrees. Find m angle C. In triangle ABC, B is a right angle and ...
In triangle ABC, angle B is right angled,AC=2andA(2,2),B(1,3)then the length of the median AD is View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE ...
In a triangle ABC , let∠C=π2. If r is the in-radius and R is the circum-radius of the triangle , then 2 (r + R) is equal to View Solution In a triangle ABC,A−B=120∘andR=8r,then the value of cos C is View Solution ...
What is the value of \dfrac{AD}{CD}?( )在 \triangle ABC 中,我们有 AB=7、AC=8 和 BC=9。 点 D 在三角形的外接圆上,使得 AD 平分 \angle BAC。 \dfrac{AD}{CD} 的值是多少?( ) B. \dfrac{9}{8} C. \dfrac{5}{3} D. 2 E. \dfrac{17}{7} F. \dfrac{5}{2} 相关...
【题目】In triangle ABC,$$ \angle B A C = 1 0 0 ^ { \circ } $$and H is its orthocen trez,$$ \angle B H C = x ^ { \circ } $$find the value of x.三角形ABC内$$ \angle B A C = 1 0 0 ^ { \circ } $$,H为其垂心,若$$ \angle B H C = x ^ { \...
Answer to: In triangle ABC, angle B is a right angle and the measure of angle A is 40 degrees. Given that AC = 15, what is AB to the nearest tenth?...
Answer to: In a triangle ABC, angle B is three times angle A and angle C is 5 degrees less than 6 times angle A. Find the angles A, B and C. By...
Step by step video, text & image solution for In a triagnle ABC, angle B=pi/3 " and " angle C = pi/4 let D divide BC internally in the ratio 1:3 .Then (sin (angle BAD))/((Sin (angle CAD)) is equal to by Maths experts to help you in doubts & scoring excellent marks in...