in the parallelogram DEFG, the measures of angle D and angle E are in the ratio of 1:4. The measure of angle F in degrees is
The angle sum of any quadrilateral is , so theOriginally Posted by chana
angle sum of our parallelogram is <explain how you know this>.
As is a parallelogram , and <explain how you know this>.
Call the measure of , then the measure of
is <explain why this is this>.
Then as:
,
we have:
so:
,
which means:
has degree measure .
RonL