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Savatey [412]
3 years ago
15

Pls help will mark brainliest

Mathematics
1 answer:
lesya [120]3 years ago
5 0
Okay so a triangle has 3 vertices therefore 3 angles and 3 sides.

Let's first first the other angle not mentioned.

30+40=70 180-70=110

So the other angle is 110°.

If all the sides are different then this is an scalene triangle Kevin drew since the side and angle measurements are different. Scalene triangles have no equal sides or angles, everything is different!!

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

I hope that helps you out!!

Any more questions, please feel free to ask me and I will be glad to help you out!!

~Zoey
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A line is perpendicular to y = - x - 2 and intersects the point (-5, 10)
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Answer:

y = x + 15

Step-by-step explanation:

If two lines are perpendicular to each other, they have opposite slopes.

The first line is y = - x - 2. Its slope is -1. A line perpendicular to this will have a slope of 1.

Plug this value (1) into your standard point-slope equation of y = mx + b.

y = 1x + b or y = x + b

To find b, we want to plug in a value that we know is on this line: in this case, it is (-5, 10). Plug in the x and y values into the x and y of the standard equation.

10 = (-5) + b

Simplify.

10 = -5 + b

Now, add 5 to both sides to isolate b.

15 = b

Plug this into your standard equation.

y = x + 15

This equation is perpendicular to your given equation (y = -x - 2) and contains point (-5, 10)

Hope this helps!

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