In Delta ABC, angle BAC =90^(@), seg BL and seg CM are median of Delta ABC. Then prove that: 4(Bl^(2)+Cm^(2))=5 BC^(2)
In a triangle {eq}\triangle ABC {/eq}, let point {eq}D {/eq} be on the line segment {eq}AB {/eq} such that {eq}AD=9, \ DB = 16, \text{ and } \angle ACB = 90^\circ {/eq}. Find {eq}CD {/eq}. Pythagorean Theorem:...
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...
17 In the figure below, ABC is a triangle with angle BAC =90°AB = 1 2 cm and co ∠ABC-(15)/(17) D is a point on AB such that12 cm B D =9 cm.D(a) Find the tength of BC.C9an(b) Find the exact value of Btan ∠BDC(c) Find the perpendicular distance of D to BC....
To solve the problem, let's follow these steps:1. Understanding the Problem: We have a triangle ABC where the angles A, B, and C are in Arithmetic Progression (AP). We need to find a relationship involving the sides of the t
Example: In △ABC, ∠BAC is ∟ Is really saying: "In triangle ABC, the angle BAC is a right angle"Naming AnglesFor angles the central letter is where the angle is.Example: ∠ABC is 45° The point "B" is where the angle is.
Answer to: In right triangle ABC with m (angle C) = 90 degrees, m (angle B) = 27 degrees and AB measures 16 units. Find the length of AC. By...
百度试题 结果1 题目3. In the grid, draw a triangle ABC with AB = 5 units, AC = 8 units and ∠ BAC = 90The side AC has been drawn for you.A C 相关知识点: 试题来源: 解析 口C 反馈 收藏
In the figure shown, ∠ A = 90°. D and E are the points on AB and AC,ectively. DM = EN = 2. Find the area of triangle ABC if the area of triangle D is of the area of triangle ABC, and the area of triangle BN E is of the4Problem 5. In △ABC we have AB = 2...
In a triangle ABC, if ∠A=70∘andAB=AC, then find the measures of ∠Band∠C. View Solution In a ΔABC,∠B=90∘andAC=8√2. If AB=BC, then find AB. View Solution Knowledge Check In ΔABC if ∠BAC=90∘ and AB=AC, then ∠ABC is A30∘ B60∘ C45∘ D25∘Submit...