The diagonals of a parallelogram PQRS intersect at O. If angleQOR=90° and angleQSR=50°, then
angle ORS is
90°
40°
70°
50°
Answers
Answered by
1
Answer:
ORS=40 degree
Step-by-step explanation:
#Beinyourattitude
Answered by
1
Step-by-step explanation:
angle QOR =90°
angle SOR =180°- angle QOR
=180°-90°
=90°
In triangle OSR,
angle SOR=90°
angle OSR=50°
angle SOR + angle OSR + angle ORS = 180°
90°+50°+ angle ORS =180°
angle ORS = 180°-(90°+50°)
angle ORS=180°-140°
angle ORS=40°
so, option 40° is correct.
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