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The Sides of Triangle is Given Below. Determine It is Right Triangle Or Not. a = 8 Cm, B = 10 Cm and C = 6 Cm - Mathematics

The sides of triangle is given below. Determine it is right triangle or not.

a = 8 cm, b = 10 cm and c = 6 cm

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In order to prove that the given sides of a certain triangle forms a right angled triangle we have to prove that square of the larger side is equal to the sum of the squares of the other two sides.

Here, the larger side is  b = 10 cm.

Hence, we have to prove that a2 + c2 = b2.

Let solve the left hand side of the above equation.

a2 + c2 = 82 + 62

= 64 + 36

= 100

Now we will solve the right hand side of the equation,

b2 = 102 = 100

Here we can observe that left hand side is equal to the right hand side that is a2 + c2 = b2 .

Therefore, the given sides of a certain triangle form a right angled triangle.

Concept: Application of Pythagoras Theorem in Acute Angle and Obtuse Angle
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RD Sharma Class 10 Maths
Chapter 7 Triangles
Exercise 7.7 | Q 2.4 | Page 119
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