Question

If two adjacent angles of a parallelogram are (5x – 5)o and (10x + 35)o, then the ratio of these angles is (a) 1 : 3 (b) 2 : 3 (c) 1 : 4 (d) 1 : 2 ​

Answer 1

Answer:

adjacent angles of paprallogram are always (180')degreeeeeeeeeeeeeeeeee

Step-by-step explanation:

Answer 2

Answer:

a) 1 : 3

Step-by-step explanation:

Since , we know one of the property of parllelogram is : Sum of any two adjacent angles is 180°

therefore

(5x-5)° + (10x+35)° = 180°

5x +10x + 30 = 180°

x= 10°

thus the two angles are : 45 and 135

and their ratio is 45:135 = 1:3