Question

three angles of quadrilateral 50 degrees 40 degreesand 123degrees find fourth angle ​

Answer 1

Answer:

147 degrees

Step-by-step explanation:

According to angle sum property of quadrilateral, sum of all angles is 360 degrees

So let unknown angle be x

50+40+123+x=360

213+x=360

x=360-213

x=147degrees

plss thank and mark as brainliest

Answer 2

a-50

b=40

c=123

d=x

a+b+c+d=360

50+40+123+x=360

213+x=360

x=360-213

x=147