Question

in the figure , angle bac = 40° and angle acd=120° . find angle abc​

Answer 1

Answer:

abc= 20°

Step-by-step explanation:

because abc is a triangle...

Sum of all angles are 180°

There are 3 angles in a triangle...

given 2 angles...

so, 180-(40+120)

=180-160

=20°....

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