Question

don't spam plz
maths class 8​

Answer 1

Answer:

Hey Mate

Step-by-step explanation:

In ∆ABC

angle A =90

Due to opposite Sides of Quadrilateral

Bhai Katti ☹️☹️

Answer 2

The angle A is 45 degree as in the triangle BCD the angle D is 90 and so the sum of other angles must be 90 and the value of other angles are same so it is 45 degree each if angle DCB is 45 so angle ACB is 45 also ( corresponding angles ) and so angle DBC is equal to angle ABC which is 45 degree ( corresponding angle). And now triangle ABC is equatorial triangle so all the angles are same thus angle A is 45 degree.
Hope you have got it.
Thank you.