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 ...
【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 ^ { \...
In triangle ABC, side AB has length 8 cm, side BC has length 7 cm and side AC has length 6 cm.Find the size of angle ABC. 相关知识点: 试题来源: 解析 46.6° cos A = (b^2+c^2-a^2)(2bc)cos x = ((7)^2+(8)^2-(6)^2)(2(7)(8))cos x = (11)(16)x = cos^-1...
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?...
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
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...
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
解析 A。本题考查三角形内角和定理,三角形内角和为 180 度,已知角 A 为 30 度,角 B 为 60 度,所以角 C 为 180 - 30 - 60 = 90 度。选项 B 30 度不符合计算结果;选项 C 60 度不符合计算结果;选项 D 120 度不符合计算结果。反馈 收藏 ...
In triangleABC angleA is four times to B and C is five times to B . Find the three angles.
In triangleABC, ifb=3,c=4and∠B=π3,then number of such triangle is 1 (b) 2 (c) 0 (d) infinite View Solution If the triangle whose vertices are A(4,3), B(6,-2) and C(k,-3) is right -angled at A, then : K=