Question

. In the following the set of measure which cannot form a triangle are

(a) 70˚, 90˚, 20˚ (b) 65˚, 75˚, 40˚ (c) 65˚, 85˚, 30˚ (d) 45˚, 45˚, 80˚

plz do it as early as possible , it's urgent ​

Answer 1

d)- 45° ,45° ,80° cannot form a triangle

because 45 +45+80=170

but in triangles the sum of all angles is 180°