Find the values of x, y in the following figures.
Given: ∠ADC = (3x + 5)° and ∠BDC = (2x – 25)°
Here AB is the straight line.
∴ ∠ADC and ∠BDC are linear pair.
⇒ ∠ADC + ∠BDC = 180°
⇒ 3x + 5 + 2x - 25 = 180°
⇒ 5x - 20 = 180°
⇒ 5x = 200°
⇒ x = 40°
5
Find the values of x, y in the following figures.
Given: ∠ADC = (3x + 5)° and ∠BDC = (2x – 25)°
Here AB is the straight line.
∴ ∠ADC and ∠BDC are linear pair.
⇒ ∠ADC + ∠BDC = 180°
⇒ 3x + 5 + 2x - 25 = 180°
⇒ 5x - 20 = 180°
⇒ 5x = 200°
⇒ x = 40°