Question

ZABD and ZDBC are supplementary angles.

What is the measure of x?
x = [?]
7D
AK
100%
B
>C
Angles are not drawn to scale

Answer 1

x = 80

Explanation:

<ABD and <DBC

Answer 2

Solution given:

x+100=180°{linear pair}

x=180-100

x=80