In a quadrilateral A B C D angle d is

equal to 150° and angle a = angle b=angle c

Eind angle A, angle b, and angle c

Question

Mathematics

Kailyn Cochran

29 May, 09:07

In a quadrilateral A B C D angle d is

equal to 150° and angle a = angle b=angle c

Eind angle A, angle b, and angle c

+2

Answers (1)

Know the Answer?

Nathalie Best · Answer 1

Step-by-step explanation:

Let ∠A = x

Therefore, ∠A = ∠B = ∠C = x

The sum of all angles of a quadrilateral is 360

∠D + ∠A + ∠B + ∠C = 360

150 + x + x + x = 360

150 + 3x = 360

3x = 360 - 150

3x = 210

x = 210/3

x = 70

∠A = ∠B = ∠C = x = 70°

In a quadrilateral A B C D angle d isequal to 150° and angle a = angle b=angle cEind angle A, angle b, and angle c

In a quadrilateral A B C D angle d is

equal to 150° and angle a = angle b=angle c

Eind angle A, angle b, and angle c