if A= vs(s-a)(s-b)(s-c)
Given data as below a=87mm b=64mm
c=55mm s=a+b+c /2 Find A=
-- mm2
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Answer:
A ≈ 1756.43275 mm²
Step-by-step explanation:
s = ( a + b + c ) / 2
= ( 87mm + 64mm + 55mm ) / 2
= 206mm / 2
= 103mm
s - a = 103mm - 87mm = 16mm
s - b = 103mm - 64mm = 39mm
s - c = 103mm - 55mm = 48mm
A = √( s ( s - a ) ( s - b ) ( s - c ) )
= √( 103 × 16 × 39 × 48 ) mm²
= √( 103 × 16 × 39 × 48 ) mm²
≈ 1756.43275 mm²
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