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the side of a triangle are 8.5 cm, 6.72 cm and 5.83 cm long. How many centimeters is it's perimeter.

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the side of a triangle are 8.5 cm, 6.72 cm and 5.83 cm long. How many centimeters is it's perimeter.

asked Dec 3, 2013 in ALGEBRA 2 by payton Apprentice

1 Answer

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Let sides are a = 8.5cm, b = 6.72cm, c = 5.83cm

Perimeter = a+b+c

= 8.5+6.72+5.83

=    21.02cm

answered Dec 3, 2013 by william Mentor

Typo mistake in last line.

Perimeter is 21.05 cm.

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