please answer this question
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Answer:
Step-by-step explanation:
Angle A plus Angle B is equal to 180
as they are co-intorior angles.
So, Angle C and Angle D also add upto 180 degree as the sum of all angles in a quadrilateral is 360 degrees.
Angle CED= Half angle D + Half angle C.
=Half 180
=90
Therefore, angle CED is 90 degrees
A+B = 2 CED
180 = 2×90
180 = 180
LHS = RHS
Hence proved.
Hope this helps!!!
Please mark me as brainliest
Answer:
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Primary School Math 5+3 pts
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Answer:
Step-by-step explanation:
Angle A plus Angle B is equal to 180
as they are co-intorior angles.
So, Angle C and Angle D also add upto 180 degree as the sum of all angles in a quadrilateral is 360 degrees.
Angle CED= Half angle D + Half angle C.
=Half 180
=90
Therefore, angle CED is 90 degrees
A+B = 2 CED
180 = 2×90
180 = 180
LHS = RHS
Hence proved.
Hope this helps!!!
Please mark me as brainliest.