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Chapter 2: Q42. (page 105)

Geometry Find the value of x for the given triangle or rectangle

Perimeter = 10 m

Short Answer

Expert verified

Third side of given triangle =2.7m.

Step by step solution

01

Step-1- Formula for perimeter of triangle

Perimeter of triangle = Sum of three sides of a triangle

02

Step-2-Solve for value of x

On substituting values, we get

10=3.2+4.1+x

On simplifying, we get

10=3.2+4.1+x10=7.3+x

Subtracting 7.3on both sides, we get

10鈭�7.3=7.3鈭�7.3+xx=10鈭�7.3x=2.7

03

Step-3-Conclusion

Therefore, the third side of given triangle =2.7m.

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