Math

posted by .

Right triangle ABC is similar to triangle XYZ. If the length of side AB is 30 inches, the length of side BC is 60 inches, and the length of side YZ is 10 inches, what is the length of side XY?

A.4
B.7
C.6
D.none of above

  • Math -

    use pythagorean theorem!
    a^2 + b^2 = c^2

  • Math -

    actually, use similar triangles.
    XY:AB = YZ:BC
    XY:30 = 10:60
    XY=5

    so, (D)

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Trig

    The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P. (a) Find the area of triangle PQR. (b) Find the length of the projection of segment PQ onto segment PR. (c) Find the length …
  2. geometry

    Right triangle ABC is similar to triangle XYZ, because angle B is congruent to angle Y. If side AB equals 12 inches, side BC equals 27 inches, and side YZ equals 9 inches, then what is the length of side XY?
  3. geometry

    Right triangle ABC is similar to triangle XYZ, because angle B is congruent to angle Y. If side AB equals 15 inches, side BC equals 45 inches, and side YZ equals 9 inches, then what is the length of side XY?
  4. Algebra 1

    The perimeter of a triangle is 20 inches. The longest side is 4 inches longer than the shortest side, and the shortest side is three -fourths the length of the middle side. Find the length of each side of the triangle
  5. pre algebra

    Each side of the triangle shown has the same length. If the perimeter of the triangle is 49 inches, the length of each side is 3 inches. true or false
  6. Math

    The sum of the lengths of the sides of triangle ABC is 38in. The length of sides AB and BC are 14 inches and 11 inches. Find the length of side AC and classify the triangle.
  7. Algebra - reposting - still need help / direction

    the perimeter of a triangle is 25 inches. The first side is 6 inches longer than the second side. The third side is 5 inches shorter than twice the second side. Find the length of each side
  8. math

    the perimeter of a triangle is 42 inches. three times the length of the longest side minus the length of the shortest side is 49 inches. the sum of the length of the longest side and twice the sum of both the other side lengths is …
  9. math

    In triangle ABC, the length of side AB is 10 inches and the length of side BC is 19 inches. Which of the following could be the length of side AC?
  10. Geometry

    Please check my answers 1. A triangle has side lengths of 34 in, 20 in, and 47 in. Is the triangle acute, obtuse or right?

More Similar Questions