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The Sides of Triangle is Given Below. Determine It is Right Triangle Or Not. a = 9 Cm, B = L6 Cm and C = 18 Cm - Mathematics

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

a = 9 cm, b = l6 cm and c = 18 cm

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Solution

We have,

a = 9 cm, b = 16 cm and c = 18 cm

∴ a2 = 81, b2 = 256 and c2 = 324

Since, a2 + b2 = 81 + 256 = 337

≠ c2

Then, by converse of Pythagoras theorem, given triangle is not a right triangle.

Concept: Application of Pythagoras Theorem in Acute Angle and Obtuse Angle
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APPEARS IN

RD Sharma Class 10 Maths
Chapter 7 Triangles
Exercise 7.7 | Q 2.2 | Page 119
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