Question

7. The measure of the four angles of a closed figure are 100°,78°.92 and 60°. Check whether this
figure is a quadrilateral or not.​

Answer 1

Answer: it is not a quadrilateral.

Step-by-step explanation: The total degree of angles in a quadrilateral should sum up to 360. So:

100+78+92+60 = 330

So it is not a quadrilateral.