Question

Q.15 in the fig. BC| DE if <ABC<CDE =90'and <ACB=30°, find the
measurement of <DCE
<​

Answer 1

Answer:

let 1angle be-x

angle dce =180 degree

angle abc+angle cde =180

90+30+x=180

120+x=180

x=180-120=60

x=60 dgree