If adjacent angle A and B of parallelogram ABCD are in the ratio 7:5, then find all the angles of parallelogram.
Answers
Answered by
3
Let the angles be A=7x and B= 5x
LA+Lb = 180 (adjacent angle )
7x + 5x = 180
12x = 180
x = 180÷12
x = 15
LA= 7x= 7 × 15 = 105
LB =5x = 5 × 15 = 75
opposite angles are equal
LA+Lb = 180 (adjacent angle )
7x + 5x = 180
12x = 180
x = 180÷12
x = 15
LA= 7x= 7 × 15 = 105
LB =5x = 5 × 15 = 75
opposite angles are equal
Similar questions
History,
6 months ago
Math,
6 months ago
Hindi,
6 months ago
Math,
11 months ago
Political Science,
1 year ago
Computer Science,
1 year ago