In a △ABC,∠C=3∠B=2(∠A+∠B).Find the three angles.Solution in Assamese Video Solution free crash course Study and Revise for your exams Unlock now | ShareSave Answer Step by step video & image solution for In a triangle ABC,angleC=3angleB=2(angleA+angleB).Find the three angles...
4. In triangle ABC the bisector of angle BCA intersects the circumcircle again at R, the per-pendicular bisector of BC at P, and the perpendicular bisector of AC at Q. The midpoint of BC is K and the midpoint of AC is L. Prove that the triangles RPK and RQL have the same area....
In triangle ABC, angle BAC = 60°, and BC = AB. What is the measure of angle BCA? 相关知识点: 试题来源: 解析 解析: 根据题目中给出的信息,我们需要求解角BCA的度数。 根据三角形内角和定理,三角形ABC的三个内角之和等于180度,即角BAC + 角ABC + 角BCA = 180°。 已知角BAC = 60°,并...
In a triangle ABC, if∠A=∠B+∠C, the prove that triangle ABC is a right triangle. View Solution InΔABC,∠A:∠B:∠C=3:4:5. Find the measure of each angle ofΔABC. View Solution InΔABC, if∠C>∠B, then View Solution ...
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?...
, the prove that triangle ABC is a right triangle. Video Solution Struggling with Geometry ? Get free crash course | ShareSave Answer Step by step video & image solution for In a triangle ABC, if angleA=angleB+angleC, the prove that triangle ABC is a right triangle. by Maths experts...
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 =...
88)In triangle ABC, 4 A is right angle. If A B = 3 and AC = 4, find the value of sin B - cos C. d a. -4 b. 5 c.-3 d.0 相关知识点: 试题来源: 解析 dStep 1Since ∠A is right angleBC===5Step 2sinB-cosC=AC/BC-AC/BC=4/5-4/5= ...
Answer to: In triangle ABC, AB = BC. If angle B contains x degrees, find the number of degrees in angle A. By signing up, you'll get thousands of...
再来条英文数学题IN TRIANGLE ABE,THE NEASURE OF ANGLE B IS THREE TIMES THE MEASURE OF ANGLE A.THE MEASURE OF ANGLE C IS 30度 GREATER THAN THE MEASURE OF ANGLE A.FIND THE ANGLE MEASURE.三角形ABE.角B是3乘角A.THE MEASURE OF ANGLE C系30