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azamat
3 years ago
15

Does anyone know if each square weighs 5 pounds. what is the weight of a single triangle?

Mathematics
1 answer:
steposvetlana [31]3 years ago
4 0
3 pounds bc there is 5 triangles for 15 pounds of squares
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Quadrilateral FLAG has coordinates F(1,5), L(6,3), A(3,-1), and G(-2,1). Which
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Answer:

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Step-by-step explanation:

<em>Refer to attached.</em>

Plot the point and connect in order FLAG.

<u>We see </u>

  • FL ║ GA
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<u>All the above can be confirmed by calculating the slopes:</u>

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  • m(GL) = (3 - 1)/(6 +2) = -1/4
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The quadrilateral is a parallelogram.

Correct choice is B

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3 years ago
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kolezko [41]

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If PQR is a triangle,given that /PQ\=15m, /QR\=17m and /RP\=18m.Find the area of the triangle to the nearest whole number.
nydimaria [60]

Answer:

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Step-by-step explanation:

Step 1. Calculate the <em>semiperimeter</em> (s).

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===============

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Use <em>Heron’s formula</em>:

A = \sqrt{s(s-p)(s-q)(s-r)}

A = \sqrt{25(25-17)(25-18)(25-15)}

A = \sqrt{25\times8\times7\times10}

A = \sqrt{14 000}

A = 20\sqrt{35}

A = 118.3 m²

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4.95+4.95×0.05=5.20
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