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 w...
解析 SolutionSince AE bisects Since CB=CD, ABCD is isosceles so y = In AABD, by the sum of interior angles of a triangle,2x +(90+3)+y =18090+2x+ 2y=1802x+2y = 90x+y =45In AABE, using the sum of interior angles,x+(90+y)+90+(x+y)+90+45+45+ ...
Answer to: Triangle ABC is right-angled. Triangle DEF is isosceles. They have the same perimeter. Calculate the area of triangle DEF. By signing...
In triangle ABC, right-angled at B. if tanA=1/(sqrt(3)) find the... 03:32 The curve which passes through (1, 2) and whose sub-normal at every ... 01:44 The function f(x)=int(-1)^x t(e^t-1)(t-1)(t-2)^3(t-3)^5dt has a local ... 01:58 A bag contains 50 ...
In a ΔABC right angled at B, if tan A=1√3 , find the value of cos A cos C - sin A sin C A1 B0 C−1 D2Submit In △ABC right angled at B, if the two sides AB and BC are in the ratio 1 : 3, evaluate the value of sin C. A√103 B3√10 C13 D1√10SubmitIn...
1In the figure below, triangle ABC has a right angle at C. A square is drawn on each side of thetriangle. The area of the square on side AB is 169 cm2. The area of the square on AC is 144 cm2. What isthe area of the square on BC?169cm2B?AC144cm^2 2In the figure belo...
4. Shown below is a triangular prism.Triangle ABC is a right angle triangle.。C E6cm12cm5A8cm B(a)Work out the length of BF...15.62...cm(4)(b)Work out the angle between the plane BEFC and plane ABED36.87O(2) 相关知识点: 试题来源: 解析 15.6236.874la) Bc= (Ocmo py thago...
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?...
To find the length of CD in triangle ABC where angle A is a right angle, we can follow these steps:Step 1: Identify the triangle and its dimensions In triangle ABC: - Angle A is 90 degrees. - Length AC = 6 cm. - Length BC = 10
In right-angled triangle ABC, angleB = 90^(@), D is such a point on AB... 06:23 If the ratio between length of shadow of a tower and height of tower i... 02:13 The length of the shadow of a tower is 9 metres when the sun's angle o... 03:16Exams...