Question

ABCD is a parallelogram .if angle B =105° ,then find the value of angle A + angle C​

Answer 1

Answer:

37.5

Step-by-step explanation:

a+b+c=180°

2x =180-105=75°

x=75/2=37.5

Answer 2

let first ,

The total area of parallelogram = 360°

Then ,

360-105 = 255