Question

the sides of a triangle measure 8,12 and 16 cm . find the area of triangle using heron's formula
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Answer 1

Answer:

A=12 root15

Step-by-step explanation:

Suppose a=8, b=12,c= 16

$=1/2(a+b+c)

$=1/2(36)

$=18

A=root($($-a)($-b)($-c)

A=root(18(18-8)(18-12)(18-16)

A=root(18×10×6×2)

A=3×2×2root15

A=12root15 sq.cm