1) Find measurement of the sides of an Equilateral triangle,if it's semi-perimeter is 15cm. a) 9cm,9cm,9cm b) 5cm,5cm,5cm c) 10cm,10cm,10cm d) None of these 2) Find the third side of a triangle in which two sides are 4cm & 5cm and semi-perimeter is 6cm. a) 4cm b) 5cm c) 6cm d) 3cm 3) Can we find area of this quadrilateral using HERON'S FORMULA? a) Yes b) No c) Not sure d) None of these 4) What is semi-perimeter of this triangle? a) 84cm b) 42cm c) 40cm d) 82cm 5) Find area of orange coloured triangle. a) 200√3cm² b) 200√6cm² c) 1000√6cm² d) 1000√3cm² 6) Semi-Perimeter of this triangle is?? a) 1/2(A+B+C) b) 1/2(a+b+c) c) 2(a+b+c) d) 2(A+B+C)

HERON'S FORMULA (9th)

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