please tell me the answer
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Answer:
10cm is the answer option (d) →_→←_←
virajvasava9972:
thank you
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Answer:
Step-by-step explanation:
Construct OL⊥AB and OM⊥CD
Consider △OLB and △OMC
We know that ∠OLB and ∠OMC are perpendicular bisector
∠OLB=∠OMC=90
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We know that AB∥CD and BC is a transversal
From the figure we know that ∠OBL and ∠OCD are alternate interior angles
∠OBL=∠OCD
So we get OB=OC which is the radii
By AAS congruence criterion
△OLB≅△OMC
OL=CM (c.p.c.t.)
We know that the chords equidistant from the centre are equal so we get
AB=CD
Therefore, it is proved that AB=CD
ANSWER :- 10CM
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