To solve the problem, we need to find the value of sinA+sinB+sinC for triangle ABC which is right-angled at B and has the sides AB and BC in the ratio 3:4. 1. Understanding the Triangle: - Since triangle ABC is right-angled at B, we can denote the sides as follows: - Let AB...
If an a triangleABC,b=3candC−B=900,then find the value oftanB View Solution A triangle ABC is right angled at B, find the value of secA.cosecC−tanA.cotCsinB View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Clas...
the triangles ABC and AKL respective-ly.Show that S2T.(HEL)5.在直角△ABC中,AD是斜边BC上的高,过△ABD的内心与△ACD的内心的直线分别交边AB和AC于K和L,△ABC和△AKL的面积分别记为S和T.求证:S≥2T.(希腊)5.ABC is a triangle right-angled at A,and D is the foot of the altitude from A...
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^...
Triangle (ABC) is a right angled triangle. Also (AC=5), (CB=3) and angle (ADB) is a right angle.What is the length of (DB)? 相关知识点: 试题来源: 解析 (2.4) This is another special triangle problem. The hypotenuse =5, one leg =3, so the other leg ((AB)) =4Now ...
ABC is a triangle right angled at C.A. line through the midpoint M of hypotenuse and parallel to BC intersects AC at D. show that(i) D is the midpoint of AC(II) MD⊥AC(iii) CM=MA=12AB View Solution Q2 ABC is a triangle right angled at C. A line through t...
Question: Triangle ABC is right-angled. Triangle DEF is isosceles. They have the same perimeter. Calculate the area of triangle DEF. Area of a Triangle: We determine the area of a triangle by identifying the base and height. In addition, the...
1.ΔABC is a right-angled triangle with∠BAC=90°.AF is perpendicular to BC.D is a point on ACsuch that BD=DC=FC=1.what is the length of AC.2.InΔABC,∠ACB=120°.CH perpendicular AB.GIVEN THAT CA+AH=HB.FIND∠B3.AREA OF ΔABK=6,BD:DC=3:5 AND AK;KD=4;5.FIND THE ...
In Fig., ABC and AMP are two right triangles, right angled at B and M respectively. Prove that:(i) △ABC∼△AMP(ii) CAPA=BCMP View Solution Q2 In the following figure, ABC and AMP are two right triangles, right angled at B and M respectively, prove that: (i) ΔABC ∼ ΔAM...
9 In the figure below, ABC is a right-angled triangle. BCD and BFE are straight lines. ZBAF is 27. ∠AFB is 77° and ZEDB is 84°.Find ∠BED.A E77°F84%B CD 相关知识点: 试题来源: 解析 ∠ABF=180-77-27°=76°∠EBD=90°-76°=14°∠BED=180°-14°-84°=82° ...