The measure of angle ABC = 144.
The correct option is (D)
What is sum of interior angle?
The formula for calculating the sum of interior angles is ( n − 2 ) × 180 ∘ where is the number of sides.
as, the given polygon is Decagon.
so,
Sum of all interior angle is 1440.
Now, the measure of ABC = 1440/10
The measure of angle ABC = 144.
Learn more about interior angle here:
https://brainly.com/question/14401104
#SPJ2
