What is the length of segment DA?

Question

What is the length of segment DA?

in progress 0
Latifah 2 weeks 2021-09-04T10:59:00+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-09-04T11:00:01+00:00

    Answer: DA = 6

    ====================================================

    Explanation:

    The triangles are similar, allowing us to make the proportion below

    DB/DA = DA/DC

    Plug in the given values. Cross multiply and solve for x

    DB/DA = DA/DC

    9/DA = DA/4

    9*4 = (DA)*(DA)

    36 = (DA)^2

    (DA)^2 = 36

    DA = sqrt(36)

    DA = 6

    The length of DA is exactly the geometric mean of the lengths BD and DC

    geometric mean of x and y = sqrt(x*y)

    0
    2021-09-04T11:00:22+00:00

    Answer:

    Step-by-step explanation:

    The length of this line segment is the distance between its endpoints A and B. So, a line segment is a piece or part of a line having two endpoints. Unlike a line, a line segment has a definite length.

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )