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Find the area of the triangle whose vertices are: (8, 1), (k, -4), (2, -5) - Mathematics

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Sum

Find the area of the triangle whose vertices are: (–5, –1), (3, –5), (5, 2)

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Solution

Area of the given triangle = `1/2 [-5 { (-5)- (4)} + 3(2-(-1)) + 5{-1 - (-5)}]`

`= 1/2{35 + 9 + 20}`

= 32 square units

Concept: Area of a Triangle
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APPEARS IN

NCERT Class 10 Maths
Chapter 7 Coordinate Geometry
Exercise 7.3 | Q 1.2 | Page 170
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