Given ∆ABC is an isosceles triangle,AB=AC.If a line through point C divides ∆ABC two small isosceles triangles,then the degree of ∠A is___,or___.(英汉词典:isosceles triangle 等腰三角形;divides……into……将……分成……;degree度数). 相关知识点: 试题来源: 解析 1.(36)°;2.(...
相关知识点: 试题来源: 解析 30√(b/a+b/b)+b⋅a⋅b⋅aThe area of triangle ABC: BC*AE*1/2.The area of triangel BDC: BD*AE*1/2.So the area of triangle BDC equals to 1/2 area of triangle AB 反馈 收藏
Construct a triangle ABC, given that AB = 6 cm, BC = 5.6cm and AC = 6.5 cm. Construct an incircle to triangle ABC and measure its radius. View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths ...
◎ 题干 Given BC=1,in a triangle(三角形)ABC, then the range of length of the side AB (or AC) is___。 ◎ 答案单词记不住,就用智驭词 (点击了解) 查看答案 ◎ 解析 查看解析
In the given figure,ABC is a right angled triangle in which∠A=90∘,AB=21 cm and AC=28 cm.Semi-circles are drawn on AB, BC and AC as diameters. Find the area of shaded region. View Solution ABCD is a rhombus andP,Q,R,Sare the mid-points ofAB,BC,CD,DArespectively. Prove th...
Example: 2A In the given right angled triangle ABC, ∠ B = 90°, BD⊥AC ,A B = 5, BC =12. Find the value of sin 0, cos Θ and tan 0.D50B C12 相关知识点: 试题来源: 解析 In right angled triangle Now,In , taking as the angle of reference, then, ...
2(第25届希望杯数学邀请赛)Given△ABC isan isosceles triangle,AB AC,If a linethrough point C divides△ABC into two smallisosceles,then the degree of∠Aisor(英汉词典:isosceles triangle等腰三角形;divides..into...将什么分成;degree度数)2(第 25 届希望杯数学邀请赛)Given △ABC is an isosceles tr...
Answer to: Given: Right triangle ABC with right angle ABC. overline BE is a median overline BE cong overline ED. Prove that ABCD is a rectangle. By...
For the given triangle, find the side labeled x. Law of Sines: The sine law is a relationship between the sides of a triangle and the sines of the angles opposite these triangles. We can apply the sine law to any type of triangle to find missing angles or missing sides. The law of ...
Given an equilateral triangle ABC, D, E and F are the mid-points of the sides AB, BC and AC respectively, then the quadrilateral BEFD is exactly a Asquare Brectangle Ctrapezium DrhombusSubmit In a ΔABC,D,E,F are the mid -points of the sides BC, CA and AB respectively, the vec...