Question

in the adjoining figure find that value of a +b if dbe=90 degree ​

Answer 1

Answer:

90° is tHe answer___I think soo

Answer 2

In the given figure

Given

angle AED = 90°

so

angleAED + angle ABC + angle AEC= 180°(angle on straight line)

a + b = 180 - 90

a + b = 90°