Angles

The triangle is one outer angle 160°54' and one internal angle 120°54'. Calculate the other internal angles of a triangle.

Result

α =  19.1 °
β =  40 °

Solution:

Solution in text β =







Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




To solve this example are needed these knowledge from mathematics:

See also our trigonometric triangle calculator.

Next similar examples:

  1. Triangle radians
    triangle-base The size of two internal angles of a triangle ABC are α=4/11π and β=6/11π. Calculate the size of the third angle.
  2. It is rectangular?
    nice_3d Size of two of the angles in a triangle are: α=60°, β=20°. Is it a right triangle?
  3. Triangle P2
    1right_triangle Can triangle have two right angles?
  4. 3-bracket 3
    triangle_3 Two angles in a triangle are 80° and 50°. Has triangle at least two equal sides?
  5. Similarity
    similar_triangle Are two right triangles similar to each other if the first one has a acute angle 10° and second one has acute angle 50°?
  6. 3-bracket
    triangle2 May be the largest angle in the triangle less than 70°?
  7. 3-bracket 2
    1triangle May be the smallest angle in the triangle greater than 20°?
  8. Isosceles triangle
    isosceles-triangle-quilt Calculate the perimeter of isosceles triangle with arm length 19 cm and base length of 26 cm.
  9. Triangles
    green_triangle Equilateral triangle with side 25 cm has the same perimeter as an isosceles triangle with arm of 32 cm. Calculate the base x of an isosceles triangle.
  10. Area of RT 2
    tr Calculate the area of right triangle whose legs have a length 11.2 cm and 6.7 cm.
  11. Juice box
    prism3_1 The juice box has a volume of 200ml with its base is an isosceles triangle with sides a = 4,5cm and a height of 3,4cm. How tall is the box?
  12. Triangle
    eq_triangle Can be rectangular triangle equilateral?
  13. 7 triangle
    coloured_triangle The triangle area is 71.4 cm2. Determine the side length j if appropriate height hj = 39.3 cm.
  14. Triangle
    red_triangle For how many integer values of x can 8, 11 and x be the lengths of the sides of triangle?
  15. Octagon from rectangle
    8gon From tablecloth rectangular shape with dimensions of 4 dm and 8 dm we cuts down the corners in the shape of isosceles triangles. It thus formed an octagon with area 26 dm2. How many dm2 we cuts down?
  16. Midpoints
    sierpinski_1 Triangle whose sides are midpoints of sides of triangle ABC has a perimeter 84. How long is perimeter of triangle ABC?
  17. QuizQ
    green_triangle_1 An isosceles triangle has two sides of length 9 dm and 35 dm. How long is a third side?