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Using Pythagoras

Length AB = √((-8 - 2)² + (4 - -4)²) = √(6² + 8²) = √100 = 10 units.

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Q: If A is the point -2 -4 and B is the point -8 4 what is the length of AB?
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If A (-2 -4) and B (-8 4) what is the length of Ab?

Using the distance formula the length of ab is 5 units


If A(-2-4) and B(-8-4) what is the length of AB?

AB can be found by using the distance formula, which is the square root of (x2-x1)^2 + (y2-y1)^2. In this case, AB= the square root of (-2-(-8))^2 + (-4-(-4))^2 which AB= the square root of 64 + 0 which AB=8.


If A 4-5 And B 7-9 what is the length of AB?

5 [3-4-5 triangle]


If the endpoints of AB are A -4 and 5 and B 2 and -5 what is the length of AB?

2*sqrt(34), or approximately 11.7 I assume you are giving the x,y coordinates in the problem. In that case, you use the Pythagorean theorem(with the distance between the points along the x-axis and the distance between the points along the y-axis as the length of the legs and the distance between the points as the distance of the hypotenuse) to determine length: length=sqrt((x1-x2)2+(y1-y2)2)=sqrt(((-4)-2)2+(5-(-5))2)=sqrt((-6)2+(10)2)=sqrt(136)=2*sqrt(34), or approximately 11.7


Given radius and chord length. What is the height of arc to midpoint of chord?

Draw the circle O, and the chord AB. From the center, draw the radius OC which passes though the midpoint, D, of AB. Since the radius OC bisects the chord AB, it is perpendicular to AB. So that CD is the required height, whose length equals to the difference of the length of the radius OC and the length of its part OD. Draw the radius OA and OB. So that OD is the median and the height of the isosceles triangle AOB, whose length equals to √(r2 - AB2/4) (by the Pythagorean theorem). Thus, the length of CD equals to r - √(r2 - AB2/4).

Related questions

If A is the point -2 -4 and B is -8 4 what is the length of AB?

Endpoints: A (-2, -4) and B (-8, 4) Length of AB: 10 units


If A (-2 -4) and B (-8 4) what is the length of line AB?

End points: (-2, -4) and (-8, 4) Length of line AB: 10


If A (10 4) and B (2 19) what is the length of AB?

Length AB is 17 units


If A (-2 -4) and B (-8 4) what is the length of Ab?

Using the distance formula the length of ab is 5 units


If A(-2-4) and B(-8-4) what is the length of AB?

AB can be found by using the distance formula, which is the square root of (x2-x1)^2 + (y2-y1)^2. In this case, AB= the square root of (-2-(-8))^2 + (-4-(-4))^2 which AB= the square root of 64 + 0 which AB=8.


Find the length of AB and the coordinates of its midpoint Point A is plotted as -2X and 3Y Point B is plotted as 5X and -4Y?

a = (-2,3)b = (5,-4)vector AB = b - a = (7,-7)Length of AB = sqrt( 72 + 72) = sqrt(98) = 7*sqrt(2)Midpoint of AB = a + (b-a/2) = (-2,3) + (7/2,-7/2)= (3/2,-1/2)


plot the given points in a coordinate plane. Then determine whether the line segments named are congruent. 1 A(0, 1), B(4, 1), C(1, 2), D(1, 6); line AB and line CD?

we can create a graph with the x-axis representing the horizontal values and the y-axis representing the vertical values. let's determine whether the line segments AB and CD are congruent. The length of line segment AB can be calculated using the distance formula: AB = sqrt((x2 - x1)^2 + (y2 - y1)^2) For AB(0, 1) and CD(4, 1), the length of AB is: AB = sqrt((4 - 0)^2 + (1 - 1)^2) = sqrt(16 + 0) = sqrt(16) = 4 For CD(1, 2) and CD(1, 6), the length of CD is: CD = sqrt((1 - 1)^2 + (6 - 2)^2) = sqrt(0 + 16) = sqrt(16) = 4 Since the length of AB is equal to the length of CD (both are 4 units), we can conclude that line segments AB and CD are congruent.


Distance between point A 5 7 and point B 2 4?

|AB| = sqrt[(5 - 2)2 + (7 - 4)2] =sqrt[9 + 9] = 3*sqrt(2)


Two circles both of radii 4 have exactly one point in common If A is a point on one circle and B is a point on the other circle what is the maximum possible length for the line segment AB?

12


Ef is a median of trapezoid ABCD the length of AB is 12 and the length of CD is 18 the length of BF is 4 what is the length of FC?

4 units


A circle is centered at the point -3 -4 and has a radius of length 2 What is its equation?

(x+3)2 + (y+4)2 = 4


If A 4-5 And B 7-9 what is the length of AB?

5 [3-4-5 triangle]