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Kipish [7]
2 years ago
11

A triangle with one angle equal to 75° could be an equilateral triangle true or false

Mathematics
2 answers:
IceJOKER [234]2 years ago
5 0

Answer:

false

Step-by-step explanation:

if there is a equilateral triangle with 75°

the overall internal angles of the "triangle" will be 75x3=225, which has already exceeded the max angle of any triangle, i.e. 180°

Nina [5.8K]2 years ago
3 0

Answer:

True

Step-by-step explanation:

because an equilateral triangle can have any angle it just has to be equal to all sides.

hope this helped! :)

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Answer:

Step-by-step explanation:

x2 + 10x + 25

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(x + 5) (x + 5)

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3 years ago
Find the value for x. Round your answer to the nearest hundredth. Area of the triangle = 8 ft^2​
zmey [24]

Answer:

x = 3.51

Step-by-step explanation:

Since, formula to determine the area f a triangle is,

Area = \frac{1}{2}(\text{Base})(\text{Height})

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16 = x(3x - 7) + 1(3x - 7)

16 = 3x² - 7x + 3x - 7

16 = 3x² - 4x - 7

0 = 3x² - 4x - 23

3x²- 4x - 23 = 0

By quadratic formula,

x = \frac{-b\pm \sqrt{b^{2}-4ac}}{2a}

x = \frac{4\pm \sqrt{(-4)^{2}-4(3)(-23)}}{2(3)}

x = \frac{4\pm \sqrt{292}}{6}

x = \frac{4\pm 17.09}{6}

x = 3.51, -2.18

But the length of sides can't be negative.

Therefore, x = 3.51 will be the answer.

8 0
2 years ago
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