please answer my question ignore the markings by pen and alao explain and don't forget to comment on my dp
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Answered by
1
Answer:
is A
Step-by-step explanation:
ples mark me as branlest
treylowery:
ples mark me as branlest plessssssssssssssssssssssssssssss
Answered by
3
Step-by-step explanation:
In quadrilateral ABCD :
angle A is 90° + 30° = 120°
angle B is 90°
angle C is 90°
therefore,
angle D = 360° - ( 120°+90°+90° )
= 360° - 300°
= 60°
( R. sum of angles of a quadrilateral is 360° )
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