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Oksanka [162]
3 years ago
11

For with equation would you add 12 as the first step in the solution?​

Mathematics
1 answer:
slavikrds [6]3 years ago
7 0

Answer:

No, you would multiply 12

Step-by-step explanation:

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Find the area of a triangle with legs that are 9mm 6mm and 12mm
Sidana [21]

Here we are given the three sides of the triangle.

So we have Heron's formula to find its area.

Heron's formula is given by :

A= \sqrt{S(S-A)(S-B)(S-C)}

where A, B and C are sides of triangle and S is semi perimeter which is given by,

S= \frac{A+B+C}{2}

plugging values of A, B and C to find S

S= \frac{9+6+12}{2}

S=13.5

Now plugging values of A, B , C and S in Heron's formula

A= \sqrt{13.5(13.5-9)(13.5-6)(13.5-12)}

A=26.14 mm²

Answer: Area of triangle is 26.14 mm².



6 0
3 years ago
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Answer:

Step-by-step explanation:

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3 years ago
Jessica jogs on a path that is 25 km long to get to a park that is south of the jogging path. If it takes Jessica 2.5 hours then
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What is the solution to the equation?<br> 1/8 = m/32
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