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3 years ago

Which relationship is always correct for the angles x, y, and z of triangle ABC?

Mathematics

2 answers:

Semenov [28]3 years ago

4 0

X plus y plus z equals 180. A triangles angles should ALWAYS add to 180. No ands or buts.

melomori [17]3 years ago

4 0

Answer:

Step-by-step explanation:

took quiz

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Answer:

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

Which of the following is a solution of x2 + 2x + 8?

zubka84 [21]

Using the quadratic equation we get:
$\frac{ - 2 + - \sqrt{4 - 32} }{2} = \frac{ - 2 + - \sqrt{ - 28} }{2}$

Factoring out 2 we get
$\frac{ - 2 + - 2\sqrt{ - 7} }{2} = - 1( + - ) \sqrt{ - 7}$
Factoring out the imaginary number:
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3 years ago

The diagram shows a sector of a circle of radius 4 cm.<br> work out the length of the arc abc

Zielflug [23.3K]

Need to know the angle for this I think?

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3 years ago

4. Find the surface area. Help me please

pogonyaev

Step-by-step explanation:

2πrh+2πr²=surface area

2π(3)(6)+2π(3²)

36π+18π

54π

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3 years ago