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7 triangles

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  • Two angles of a triangle are 45° and 55°. Find the third angle.
    80°
  • A triangular signboard has sides 5 cm, 7 cm, and 9 cm. What type of triangle is this?
    Scalene triangle
  • A triangle has one angle measuring 90°. What type of triangle is it?
    Right triangle
  • A triangle has angles 40° and 65°. What is the third angle?
    75°
  • A triangle has sides 7 cm, 8 cm, and 15 cm. Can the triangle be formed?
    No, triangle cannot be formed
  • A triangle has angles 100°, 40°, and 40°. What type of triangle is it?
    Obtuse triangle
  • A triangle has angles 25° and 75°. Find the third angle.
    80°
  • A triangle has two equal angles measuring 50° each. Find the third angle.
    80°
  • The angles of a triangle are 30°, 80°, and x°. Find x.
    70°
  • The exterior angle of a triangle is formed by extending one side. If the opposite interior angles are 35° and 45°, find the exterior angle.
    80°
  • A triangle has two sides measuring 6 cm and 6 cm, and the third side measures 8 cm. What type of triangle is this?
    Isosceles triangle
  • A triangle has sides measuring 4 cm, 4 cm, and 4 cm. What type of triangle is it?
    Equilateral triangle
  • Can a triangle be formed with sides 2 cm, 3 cm, and 6 cm?
    No, triangle cannot be formed
  • A triangular garden has angles measuring 50°, 60°, and 70°. What type of triangle is it according to angles?
    Acute triangle
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