Triangle radians

The size of two internal angles of a triangle ABC are α=6/18π and β=7/18π.

Calculate the size of the third angle.

Correct answer:

γ =  0.873 rad

Step-by-step explanation:

γ=παβ=π6/187/18 γ=π(16/187/18)=518π=518π γ=0.873 rad



Did you find an error or inaccuracy? Feel free to write us. Thank you!



avatar




Tips to related online calculators
See also our trigonometric triangle calculator.

You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions:

  • How many 15
    fractions How many six-eights are there in 18? Which of the following would you choose to solve this question? 18 x 6/8 or 18 : 6/8
  • Main/central vertex
    rr_triangle3 ABC is an isosceles triangle with base BC and main vertex A. The angle at vertex A is 18°. What will be the size of the angle at vertex B?
  • Triangle angles
    triangles The angles α, β, γ in triangle ABC are in the ratio 6:2:6. Calculate size of angles.
  • Parallelogram
    rovnobeznik In the parallelogram we know one internal angle 67°33`. Calculate the other internal angles.
  • The two
    triangle The two angles of a triangle are 78° and 82°. So what is the measure of the remaining third angle?
  • It is rectangular?
    nice_3d Size of two of the angles in a triangle are: α=110°, β=40°. Is it a right triangle?
  • Two angles
    rt_1 The triangles ABC and A'B'C 'are similar. In the ABC triangle, the two angles are 25° and 65°. Explain why in the triangle A'B'C 'is the sum of two angles of 90 degrees.
  • Internal and external angles
    inner_outer_angles_triangle Calculate the remaining internal and external angles of a triangle, if you know the internal angle γ (gamma) = 34 degrees and one external angle is 78 degrees and 40 '. Determine what kind of triangle it is from the size of its angles.
  • Angles
    angles The outer angle of the triangle ABC at the vertex A is 114°12'. The outer angle at the vertex B is 139°18'. What size is the internal angle at the vertex C?
  • Angles in triangle
    angles_triangle Calculate the alpha angle in the triangle if beta is 61 degrees and 98 gamma degrees.
  • Degrees to radians
    angle Convert magnitude of the angle α = 136°18'10" to radians:
  • The angles ratio
    123_triangle The angles in the ABC triangle are in the ratio 1: 2: 3. find the sizes of the angles and determine what kind of a triangle it is.
  • Complementary angles
    angles Two angles are complementary. If one angle measures 10°, what is the measure of the second angle?
  • The triangles
    triangle_rt_taznice The triangles ABC and A'B'C 'are similar with a similarity coefficient of 2. The angles of the triangle ABC are alpha = 35°, beta = 48°. Determine the magnitudes of all angles of triangle A'B'C '.
  • Internal angles
    angle One internal angle of the triangle JAR is 25 degrees. The difference is the size of the two others is 15°. Identify the size of these angles.
  • Shirts
    blue shirts In a classroom,1/6 of the students are wearing blue shirts, and 2/3 are wearing white shirts. There are 18 students in the classroom. How many students are wearing shirts other than blue shirts or white shirts?
  • Alfa, beta, gama
    angles_in_triangle In the triangle ABC is the size of the internal angle BETA 8 degrees larger than the size of the internal angle ALFA and size of the internal angle GAMA is twice the size of the angle BETA. Determine the size of the interior angles of the triangle ABC.