posted by .

show that triangle PQR with P(-2,10, Q(1,5) and R(5,2) is isosceles.

  • math -

    Find out the lengths of each side using the distance formula:

    If two sides are identical in length, the triangle is isosceles.
    If all three have the same length, then it is equilateral.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. isosceles triangle

    An isosceles triangle is a triangle that has two equal sides. Find AB, BC and AC. Determine if the triangle is isoseles or not based on the lengths of the three sides. can someone show me how to solve?
  2. math

    Use (Triangle) PQR with coordinates P(2, –1), Q(0, 5), and R(–2, 0). Which matrix expression can be used to translate (triangle)PQR 1 unit left and 3 units up?
  3. Math

    Can someone please check to see if I answered these true and false statements correctly?
  4. Math

    Decide whether each statement is always true, sometimes true, or never true. a. a square is a rectangle b. a right triangle is an isosceles triangle c. an acute triangle is an isosceles triangle d. an isosceles triangle is a right …
  5. math

    construct a triangle ABC similar to given triangle equilateral triangle PQR with side sum such that each of its sides is 6/7 of the corresponding angle PQR
  6. Math

    In a diagram of an 2 isosceles triangles, where ABC is a big triangle and a ADE, is just inside the top portion of ABC. Isosceles triangle ABC is similar to a isosceles triangle ADE what is the length of DE, which is the base part …
  7. geometry

    triangle PQR is isosceles.S and T are the mid points of the equal sides PQ and PR respectively.prove that triangle QTR=triangle RSQ.
  8. 8th Grade Pre-Algebra

    Triangle PQR is transformed to triangle P'Q'R'. Triangle PQR has vertices P(3, −6), Q(0, 9), and R(−3, 0). Triangle P'Q'R' has vertices P'(1, −2), Q'(0, 3), and R'(−1, 0). Plot triangles PQR and P'Q'R' on your own coordinate …
  9. Math

    Construct an isosceles triangle PQR in which PQ = PR, base QR = 5.6 centimetres, angle PQR = 75 degrees using a ruler and a pair of compasses. Draw its lines/line of symmetry.
  10. math

    This question is suppose to be simple but i keep getting it wrong Triangle LMN has vertices L(1, 6), M(6, 3) and N(5, 7). What type of triangle is Triangle LMN?

More Similar Questions