Maths Chapter Name Circle
In the given figure, O is the centre of a circle. If <ABC = 56°, find <ACB. Also, find <CBD if <BCD= 44°.
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Consecutive angles of a rhombus are supplementary.
∠BCD=180
o
−∠ABC
=180
o
−56
o
=124
o
∴∠BCD=124
o
Diagonals of a rhombus bisect the interior angles
∠ACD=∠BCD/2
=124
o
/2
=62
o
∴∠ACD=62
o
.
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Hope it helps you
With regards
Nami
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