Question

In three angles of the quadrilateral are given
What is the measure of inner angle at D?
Measure of i​

Answer 1

Step-by-step explanation:

As we know that the sum of total interior angle of a quadrilateral is 360° .

So,

<A + <B + <C + <D = 360°

<D = 360° - ( <A + <B + <C )