3 years ago

Find The Area of triangle ABC

Mathematics

1 answer:

Sergeeva-Olga [200]3 years ago

3 0

Answer:

b. area = 18 square units

Step-by-step explanation:

area of a triangle = 1/2 * base * height

area = 1/2 (6+3) + (6-2)

area = 1/2 * 9 * 4

area = 18 square units

therefore the answer is b.

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natulia [17]

Answer:

x = $\frac{4\pi }{9},\frac{10\pi }{9}$

Step-by-step explanation:

Given equation is,

$\sqrt{3}\text{tan}(\frac{2x}{3})+1=0$

By solving this equation,

$\text{tan}(\frac{2x}{3})=-\frac{1}{\sqrt{3}}$

$x=\frac{2}{3}\times \text{tan}^{-1}(-\frac{1}{\sqrt{3}})$ [tangent of any angle is negative in IInd and IVth quadrants]

x = $\frac{2}{3}\times (\frac{2\pi }{3})$ , $\frac{2}{3}\times (\frac{5\pi}{3})$

x = $\frac{4\pi }{9},\frac{10\pi }{9}$

Therefore, value of x in the interval of [0, 2π] are $\frac{4\pi }{9},\frac{10\pi }{9}$ .

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2 years ago

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Serhud [2]

It is x2-4=0 and 4x 2 = 16

Hope this helps you!!!

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2 years ago

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seropon [69]

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Helga [31]

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pete took out a 48 month loan for $5,200 to buy a used mortorcycle. if the simple interest rate is 8.5 % how much will he have p

alexdok [17]

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