find the area of a triangle whose two sides are of lengths 36cm and 20 – InterviewSolution

1.

find the area of a triangle whose two sides are of lengths 36cm and 20cm and perimeter is 84 cm.

Answer»

s1= 36 cms2 = 20 cms3 = 84-36-20= 28 cmusing formula,perimeter = s1+s2+s3

semiperimeter, s = perimeter /2 = 84/2=42 cm

area = square root of (s*(s-s1)*(s-s2)*(s-s3))

subatituting values,

area = 278.596 cm2

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