Question

in a quadrilateral angle s is equal to 150 degree and angle A = angle B = angle C​

Answer 1

Step-by-step explanation:

$150 + x + x + x = 360 \\ = 3x = 360 - 150 \\ = 3x = 210 \\ = x = \frac{210}{3} = 70$

hope#its#helpful

Answer 2

Step-by-step explanation:

$150 + x + x + x = 360 \\ 3x = 360 - 150 \\ 3x = 210 \\ x = 210 \div 3 \\ x = 70$