In Triangle RST, m<S=90, RS=5, and ST=12. Find Cosine T

  1. 👍
  2. 👎
  3. 👁
  1. by Pythagoras
    c^2 = 12^2 + 5^2
    c = 13

    so cos T = 12/13

    1. 👍
    2. 👎
  2. thanks

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Algebra

    What is the value of b in the triangle shown below? The triangle they are showing is a right triangle...the length is 3b and the width is b...on the inside of the triangle it says 24in^2. A.–4 in B.4 in C.±4 in solution

  2. Math

    Can someone please check to see if I answered these true and false statements correctly? Thank you! 1. A triangle can have two right angles. (TRUE??) 2. An equilateral triangle is also an acute. (TRUE??) 3. A right triangle can

  3. geometry

    in the accompanying diagram, RST is a right triangle, SU is the altitude to hypotenuse RT, RT=16 and RU=7

  4. Math

    Triangle L'M'N' is a dilation of triangle LMN. If the scale factor of the dilation is 1/5, which of the following statements is true? Triangle L'M'N' is a rotation of triangle LMN. Triangle L'M'N' is the same size as triangle LMN.

  1. Math III

    Which of the following statements are true? a. the incenter of a triangle is equidistant from all three vertices of that triangle b. The incenter of a triangle always lies inside that triangle c. the incenter of a triangle is the

  2. Math

    Which congruence statement says the same thing as triangle ABC is congruent to triangle DEF? (1 point) triangle ABC is congruent to triangle EFD triangle ACB is congruent to triangle DEF triangle ACB is congruent to triangle

  3. geometry

    In ∆RST, RS = 10, RT = 15, and m∠R = 32. In ∆UVW, UV = 12, UW = 18, and m∠U = 32. Which of the following statements is correct? 1. ∆RST ∼ ∆WUV and the similarity ratio is 56. 2. ∆RST ∼ ∆UVW and the similarity

  4. geometry

    If you had two triangles, triangle RST and triangle UVW, and in triangle RST angle R= angle S= angle T and in triangle UVW angle U= angle V= angle W, is there enough information to prove that the triangles are congruent? So each

  1. Math

    Classify the triangle by its sides. Triangle has side lengths of 15, 15, and 20. Scalene Triangle. Isosceles Triangle. Equilateral Triangle. Right Triangle.

  2. Math HELP

    #1 find the value of x if RS = 4(x-3)+6 and RT = 5(2x-6). x= 12 x= 6 x= 4*** x= 3 #2 which of the following statements are always true? Choose all that apply. If the circumcenter of a triangle lies on the triangle, then the


    Which of the statements is ALWAYS TRUE? A-A right triangle is a scalene triangle. B-An equilateral triangle is an isosceles triangle. C-An isosceles triangle is an obtuse triangle. D-A right triangle is an acute triangle. I got

  4. Math

    Complete the 2 column proof. Given m

You can view more similar questions or ask a new question.