Question

In the following figure,find the value of x:- ​

Answer 1

Answer:

135

Step-by-step explanation:

a+b=180°

45+b=180°

180-45=135°

Answer 2

Given: angle ADC =45⁰

To Find: x⁰

Solution:

angle ADC + angle BDC = 180⁰ [linear pair]

or, 45⁰ + x⁰ = 180⁰

or, x⁰ = 180⁰ - 45⁰

or, x⁰ = 135⁰