Question

Given: The coordinates of isosceles trapezoid JKLM are J(−b, c), K(b, c), L(a, 0), and M(−a, 0).
Prove: The diagonals of an isosceles trapezoid are congruent.

As part of the proof, find the length of KM.

https://dlap.gradpoint.com/Resz/~yUA6AAAAAAgA42nJ9M7UQA.O3AMxB6kBBqC0wFyhrYX6B/7234256,163/Assets/questions/test/geometry/geocoorp/mc131-1.jpg

Answer 1

@Vocaloid

Answer 2

length of KM = the distance between points K and M

Answer 3

https://dlap.gradpoint.com/Resz/~yUA6AAAAAAgA42nJ9M7UQA.O3AMxB6kBBqC0wFyhrYX6B/7234256,163/Assets/questions/test/geometry/geocoorp/mc131-6.jpg?

Answer 4

@Vocaloid

Answer 5

have to be very careful with parentheses/order of operations

sqrt([b-(-a)]^2 + [c-0]^2) = ?

Answer 6

@Vocaloid https://dlap.gradpoint.com/Resz/~yUA6AAAAAAgA42nJ9M7UQA.O3AMxB6kBBqC0wFyhrYX6B/7234256,163/Assets/questions/test/geometry/geocoorp/mc131-3.jpg

Answer 7

good, well done