Question

fine the area of a triangle two sides of which are 18cm and 10cm and the perimeter is 42cm​

Answer 1

Step-by-step explanation:

perimeter=sum of all sides

42=18+10+x

42=28+x

x=14

Therefore, Third side of this triangle is 14 cm

Area of triangle=b*h/2

18*14/2=Area of

252/2=Area of

126cm²=Area of Triangle

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