3 years ago

Jack's Missing Eye Enter the coordinates of the Jack-o'-Lantern's missing eye. desmos

Mathematics

1 answer:

seraphim [82]3 years ago

3 0

Answer:

X. Y

-1

Step-by-step explanation:

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C) $6.495\: ft^2$

Step-by-step explanation:

a = 7 ft, b = 3 ft, c = 5 ft (Given)

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Let's calculate semi Perimeter of the triangle which is given by s

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Now, by Heron's formula, area of triangle ABC is given as:

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

$\therefore A(\triangle ABC) =\sqrt{7.5(7.5-7) (7.5-3)(7.5-5)}$

$\therefore A(\triangle ABC) =\sqrt{7.5(0.5) (4.5)(2.5)}$

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