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3 years ago

The perimeter of triangle ABC is 32 find the lengths of AC and AB

Mathematics

1 answer:

Nutka1998 [239]3 years ago

6 0

The lengths of AC and AB are each 10.6 units.

Step-by-step explanation:

Perimeter of a triangle = Sum of all the three sides of a triangle

Perimeter = 3a
where, a is the length of the each sides of a triangle.

⇒ 32 = 3a

⇒ a = 32/3

⇒ a = 10.6

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Solve for these letters X Y Z

tester [92]

Z = 140
X = 40
Y = 40
Explanation:
Z and the angle given (140 degrees) are vertical angles, and are therefore congruent
We know that x and y are vertical angles, so they are also congruent to each other
You know that together, the angles have to add up to 360
140 + 140 + x + y = 360
Another way of putting it:
360-280 = 80
Now, we have to divide by two since we need to find x AND y
80/2 = 40
Therefore, your answers for x and y are 40
To double check, you can add up the angles and see if they equal 360
140 + 140 + 40 + 40
280 + 80 = 360

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Please answer this ASAP. The question is down below. Thank you!

Sonja [21]

Answer:

$y = .5x^2 -2x -5$

Step-by-step explanation:

Well we can start by seeing if the parabola is the same width by comparing it to its parent function ( y = x^2 )

In y = x^2 the 2nd lowest point is just up 1 and right 1 away from the vertex.

This is not true for our parabola.

So we can widen it by to the desidered width by making the x^2 into a .5x^2.

So far we’ve got y = .5x^2

Now the parabola y intercept is at -5.

So we can add a -5 into the equation making it.

y = .5x^2 - 5

Now for the x value.

So we can find the x value by seeing how far away the parabola is from from the y axis.

So the x value is -2x.

So the full equation is $y = .5x^2 -2x -5$

Look at the image below to compare.

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3 years ago

Read 2 more answers

The perimeter of triangle ABC is 32 find the lengths of AC and AB​

The perimeter of triangle ABC is 32 find the lengths of AC and AB