In a △ABC, right-angled at B, if AB : AC = 1:2, then find the value of 2tanA1+tan2A. View Solution In a right angled triangle, right angled at A, the angle formed at B is 45∘. If the length of side AB in 5m, then what is the length of the side AC? View Solution...
Answer Step by step video & image solution for In a triangle A B C , right angled at B , then r=(A B+B C-A C)/2 b. r=(A B+A C-B C)/2 c. r=(A B+B C+A C)/2 d. R=(s-r)/2 by Maths experts to help you in doubts & scoring excellent marks in Class 11 exam...
百度试题 结果1 题目 In a right-angled triangle with an angle of 60°, the ratio of the length of the opposite side of the angle of 60° to the length of the hypotenuse is 相关知识点: 试题来源: 解析 反馈 收藏
1 In a right-angled triangle ABC, ∠ABC = 90°, D is a point on AB, E F is the perpendicular bisector of AD, intersecting AC at E with F being the foot of the Aperpendicular, and the extension of E D intersects the extension of CB at point G.F EProve: EG = EC.D G B...
right-angled triangle meaning, definition, what is right-angled triangle: a triangle which has an angle of 90°: Learn more.
In a A B C ,\ E\ a n d\ F are the mid-points of A C\ a n d\ A B respe... 01:54 In a /\ A B C ,\ B M\ a n d\ C N are perpendiculars from B\ a n d\ C... 03:09 In triangle A B C is right-angled at B. Given that A B=9cm ,\ A C=15 ... 02...
ΔABC is a right angle triangle (right angled at B), BD is perpendicular to AC. If AC=16cmBC=9cm, find the length of CD. View Solution ΔABC is a right angle triangle (right angled at B), BD is perpendicular to AC. If AC = 16 cm, BC = 12 cm, find the length of CD. Vi...
5A0B CxM x In the diagram, triangle AB C is right-angled at C and M is the mid-point of BC. It is given that angleABC=1/3πr adians and angle BAM = 0 radians. Denoting the lengths of BM and M C by x,(i) find AM in terms of x,[3] (i) showthatθ=1/6π-tan^...
【题目】2. In an acute angled triangle ABC the interior bisector of the angle A intersects BC at L and intersects the circumeirele of ABC again at N. From point L perpendiculars are drawn to AB and AC, the feet of these perpendiculars being K and M respectively. Prove that the quadri...
Answer to: In a triangle, ABC, E, and F are the mid-points of AC and AB respectively. The altitude AP to BC intersects EF at Q. Prove that AQ= PB...