Question

three angle of are in the ratio 3:5:7: the mean of these three angles is 75° . find all the four angle of the quadrilateral ​

Answer 1

Answer:

Step-by-step explanation:et all the angles =3x 5x 7x

We know that sum of all angles =180

3x +5x+7x=180

15x= 180

x = 180÷15

x=12

Please mark it as a brain list answer

Answer 2

they said mean of all three angles is 75°

den their total angle is 75*3= 225°

in quadrilateral total angle is 360°

so u will get 360-225=35° for the fourth angle