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kolbaska11 [484]
3 years ago
13

A triangle has sides of length 12 miles, 9.6 miles, and 7.2 miles. What is the perimeter?

Mathematics
2 answers:
Anna71 [15]3 years ago
3 0
12+ 9.6+ 7.2=28.8 miles is the perimeter
                                28.8


Nana76 [90]3 years ago
3 0
You would have to add up all the sides! So, you would do 12 + 9.6 + 7.2
This equals to 28.8 miles! That's the perimeter! Good luck! :]
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<h3>b) 0.4 \div  ( - 0.75)</h3><h3>■Convert the decimals into a fractions</h3>

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<h2>-  \frac{2}{5}  \div  \frac{3}{4}</h2><h3>■To divide by a fraction, multiply by the reciprocal of that fraction</h3>

<h2>-  \frac{2}{5}  \times  \frac{4}{3}</h2><h3>■Multiply the fractions</h3>

<h2>-  \frac{8}{15}</h2><h3>Hence, Quotient is -  \frac{8}{15}</h3>

<h3>c)-  \frac{2}{5}  \div  \frac{3}{4}</h3><h3>■To divide by a fraction, multiply by the reciprocal of that fraction</h3>

<h2>-  \frac{2}{5}  \times  \frac{4}{3}</h2><h3>■Multiply the fractions</h3>

<h2>-  \frac{8}{15}</h2><h3>Hence, The Quotient is -  \frac{8}{15}</h3>
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