Question

4. (1 Point) Solve for x and determine the measure of angle BDC.

4
5
O
x = 180°
x = 90°
x = 165°
X = 75°

Answer 1

x = 165°

Explanation:

Linear pair: If the uncommon arm of adjacent angles form a straight line, then they are called linear pair and these adjacent angles add up to 180°

15 + x = 180

Subtract 15 from both sides,

x = 180 - 15

x = 165°