Question

1. Formula to find sum of measures of all angles a n sided polygon is ____.
a)
$|n + 2| \times 180 \: degree$
b)
$|n - 2| \times 180 \: degree$
c)
$|n - 1| \times 180 \: degree$
d)
$|n + 1| \times 180 \: degree$
2. In rhombus PQRS PR and SQ intersect at then angle <PQR + <QOR=_____
a) 90°
b)360°
c)120°
d)180°

3. if four angles of quadrilateral are as 1:2:3:4 then the measure of the greatest angle is ____.
a)36°
b)72°
c)144°
d)108°
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Answer 1

Step-by-step explanation:

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