Question

1

The angles of a quadrilateral
are a, 2a,
3a + 20 and 4a + 30. Find
each angle if the
sum of the angles of a
quadrilateral is 360°​

Answer 1

In order to find all the angles, you first need to find angle a. You do that by putting a on the left and the number on the right, then you add the a’s together to find what you need to divide.