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...
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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 the angle C is three times the size of angle A, the angle B is twice the size of angle A. Then the triangle ABC A. is equilateral B. is isosceles C. has an obtuse angle D. has a right-angle E. has only acute angles 相关知识点: ...
In triangle ABC, angle A = 47, and angle B = 8. Find angle C. In \triangle ABC, a= 132, b= 224, and \angle C= 28^\circ. Determine \angle B. In triangle ABC, angle C = 3, angle B = 2(angle A + angle B). Find all three angles. ...
To find the length of CD in triangle ABC where angle A is a right angle, we can follow these steps:Step 1: Identify the triangle and its dimensions In triangle ABC: - Angle A is 90 degrees. - Length AC = 6 cm. - Length BC = 10
Answer Step by step video, text & image solution for In right angle triangle ABC, 8cm ,15 cm and 17 cm are the length of AB,BC and CA respectively , Then find sin A , cos A and tan A . by Maths experts to help you in doubts & scoring excellent marks in Class 10 exams. ...
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, 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?...