Question

a 70° angle, a 30° angle, an 80° angle
How many triangles can be made with the angle measures shown here?

A) no triangle

B) a unique triangle

C) more than one triangle

D) the answer cannot be determined

Answer 1

sum of all angle of traingle is equal to 180°
here if we add
70°+30°+80°=180°
hence,
one unique traingle form

Answer 2

B.) a unique triangle
coz by angle sum property ,
70° +30° + 80° = 180°
180° = 180°
so, as the sum of all the angles is 180°, then it will make a triangle.

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