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CBSE Class 10 Answered

In triangle ABC right angled A+C,D is the mid point of DC. Prove that AB²=4AD²+3AC²....plz solve this problem
Asked by hr812622 | 23 Sep, 2020, 12:34: PM
answered-by-expert Expert Answer
For the solution, please click on Problem on Pythagoras Theorem.
Answered by Yasmeen Khan | 23 Sep, 2020, 04:49: PM

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CBSE 10 - Maths
equilateral triangle ABC , D is a point on side BC such that 3BD = BC. Prove that 9AD2 = 7AB2.
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Asked by deepak13376 | 23 Sep, 2020, 01:33: PM
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CBSE 10 - Maths
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Asked by arindeep.singh | 27 Apr, 2020, 10:26: AM
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CBSE 10 - Maths
If A is the area of right triangle and b is one of the sides containing the right angle,then prove that the length of the altitude on the hypotenuse is 2Ab/√(b^4+4A^2)
Asked by rhtwatts | 06 Mar, 2019, 03:59: PM
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CBSE 10 - Maths
The height of a moving truck is 8 m. The distance from the bottom edge of the ramp on the ground to the truck is 15 m. What is the length of the ramp?
Asked by Topperlearning User | 26 Jul, 2017, 01:58: PM
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CBSE 10 - Maths
In an equilateral triangle AD is the altitude drawn from A on side BC. Prove that 3AB2 =4AD2
Asked by Topperlearning User | 26 Jul, 2017, 01:58: PM
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CBSE 10 - Maths
The area of a right triangle is 210 sq cm. If the smallest side is 12 cm, what is the hypotenuse?
Asked by Topperlearning User | 26 Jul, 2017, 01:58: PM
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CBSE 10 - Maths
What is the value of a if a, a-1,a+8 are the lengths of the sides of a right triangle where a is a natural number?
Asked by Topperlearning User | 26 Jul, 2017, 01:58: PM
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CBSE 10 - Maths
In quadrilateral ABCD, angle B space equals space 90 degree. If AD2 = AB2 + BC2 + CD2. Prove that angle A C D space equals space 90 degree.
Asked by Topperlearning User | 26 Jul, 2017, 01:58: PM
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CBSE 10 - Maths
The diagonals AC and BD of a rhombus ABCD are of length 6 cm and 8 cm respectively. What is the perimeter of the rhombus?
Asked by Topperlearning User | 05 Dec, 2013, 08:56: AM
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CBSE 10 - Maths
Prove that if for a right triangle the sides containing the right angle have even numbers as their lengths, then the third side can"t be an odd number.
Asked by Topperlearning User | 26 Jul, 2017, 01:58: PM
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