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3 years ago

A = B/2 = C/5 a:b:c=?

Mathematics

1 answer:

KengaRu [80]3 years ago

3 0

Answer:

$\large\boxed{A:B:C=\dfrac{1}{10A}}$

Step-by-step explanation:

$A=\dfrac{B}{2}=\dfrac{C}{5}\\\\A=\dfrac{B}{2}\qquad\text{multiply both sides by 2}\\\\2A=B\to\boxed{B=2A}\\\\A=\dfrac{C}{5}\qquad\text{multiply both sides by 5}\\\\5A=C\to C=5A\\\\A:B:C=A:2A:5A=1:2:5A=\dfrac{1}{2}:5A=\dfrac{1}{2}\cdot\dfrac{1}{5A}=\dfrac{1}{10A}$

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Answer: The area of the triangle is: " 8.5 cm² " ;

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_______________________________________________________
Explanation:
_________________________________________________________
The formula {"equation"} for the area of a triangle is:

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in which: A = area;
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3 years ago

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3 years ago

A = B/2 = C/5 a:b:c=?​

A = B/2 = C/5 a:b:c=?