In the adjoining figure, ABCD is a quadrilateral
in which BN and DM are drawn perpendiculars
to AC such that BN = DM. If OB = 4 cm, then
BD is
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Step-by-step explanation:
BM=DN
BR=3cm
△BMR & △DNR
BM=DN
∠BRM=∠NRD
∠BMR=∠DNR ( each 90
o
)
by AAS rules
△BMR≅△DNR
BR=DR=3 cm
BD=16 cm
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