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4 years ago

PLSSS HELP IMMEDIATELY!!! only answer if u know. i’ll be giving brainiest if u don’t leave a link.

Mathematics

1 answer:

SIZIF [17.4K]4 years ago

8 0

Answer:

Sides: Scalene

Angles: Acute

Step-by-step explanation:

It's a scalene triangle because all side lengths are different.

All angles are acute because each one is less than 90 degrees.

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Answer:

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3 years ago

Determine the area of a triangle with A=27.8 B = 107.3 c=4<br><br><br> Answer: B) 10 units^2

Mila [183]

Correct question:

Determine the area of a triangle with A=27.8° B = 107.3° c=4

Answer:

Area of the triangle is 5.04 units²

Step-by-step explanation:

Given;

A = 27.8°

B = 107.3°

C = 180 - (27.8 + 107.3) = 44.9°

c = 4

Now, we determine the remaining two sides of the triangle using sine rule

$\frac{Sine \ A}{a} = \frac{Sine \ C}{c} \\\\a = \frac{Sine A*\ c}{Sine C} = \frac{Sine(27.8) \ *4}{Sine(44.9) } =2.64\\\\\frac{Sine \ B}{b} = \frac{Sine \ C}{c}\\\\b= \frac{Sine B*\ c}{Sine C} = \frac{Sine(107.3) \ *4}{Sine(44.9) } =5.41$

Apply Hero's formula;

$A = \sqrt{s(s-a)(s-b)(s-c)} \\\\s = \frac{a+b+c}{2} = \frac{2.64\ +\ 5.41\ +\ 4}{2} = 6.025\\\\A = \sqrt{6.025(6.025-2.64)(6.025-5.41)(6.025-4)} \\\\A = \sqrt{6.025(3.385)(0.615)(2.025)} \\\\A = \sqrt{25.3989} = 5.04 \ units^2$

Therefore, area of the triangle is 5.04 units²

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4 years ago

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Answer:

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Step-by-step explanation

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Answer:

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Step-by-step explanation:

2 x 5 x 16 = 160

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Step-by-step explanation:

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