Question

in a parallelogram if measure of two adjacent angles are in ratio 4: 5 find angles​

Answer 1

Step-by-step explanation:

in a parallelogram adjacent angles is in supplementary

4x+5x is 180

9xis 180

x is 20

then the angles are 80;100

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Answer 2

Answer:

80 and 100

Step-by-step explanation:

Ratio of 2 adjecent angles= 4:5

let the common ratio be x

=> 4x/5x

sum of the adjecent angles in a parallelogram = 180°

=> 4x + 5x = 180°

=> 9x = 180°

=> x= 20°

angles= 80° and 100°