Question

ABCD is a cyclic quadrilateral in which angle bcd= 100° and angle ABD=70°find the angle ADB

Answer 1

Answer:

angle ADB = 30 DEGREE

Step-by-step explanation:

angle BCD +angle BAD = 180

angle BAD = 80 degree

Answer 2

Answer: the answer is int he picture. Explanation is too there . I hope it will help you.

Step-by-step explanation:

In a cyclic quadrilateral , opposite angles are supplementary .

With this property , we will find angle A .

For finding angle ADB , we will use angle s property of a triangle .