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Keith_Richards [23]
3 years ago
11

What id the sum of 2'8" + 1'6"

Mathematics
1 answer:
lidiya [134]3 years ago
3 0
Interesting question about feet and inches.  The best way to solve this problem is to ask yourself how many inches are in a foot.  Since there are 12 inches in every foot then the length of 2'8" can be written as (2*12)" + 8".  Which is 24+8 or 32 inches.  The second number (1'6") can be written as (1*12)"+6" which is 18 inches.  32 + 18 = 50 inches.  Or, if you want to change this back into feet and inches just divide it by 12.  50/12 is 4 R. 2.  So 4'2".
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Answer:

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Step-by-step explanation:

we know that

Heron's Formula is a method for calculating the area of a triangle when you know the lengths of all three sides.  

so

A=\sqrt{s(s-a)(s-b)(s-c)}

where

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we have

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s=\frac{5+6+3}{2}=7\ units

Find the area of triangle

A=\sqrt{7(7-5)(7-6)(7-3)}

A=\sqrt{7(2)(1)(4)}

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simplify

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