Math, asked by balgipanchami, 5 hours ago

pls tell the ans it's a very lengthy question pls dont. ans it short form pls ans this question I want completely solved question pls try ur best to ans






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Answered by heervyas1616
2

Step-by-step explanation:

Given AB and CD are straight lines which intersect at O. OP is the bisector of ∠AO.

To prove: OQ is the bisector of ∠BOD.

Proof: AB, CD and PQ are straight lines which intersect in O.

∠AOP=∠BOQ(vertically opposite angles)

∠COP=∠DOQ(vertically opposite angles)

∠AOP=∠COP(OP is the bisector of ∠AOC)

∴∠BOQ=∠DOQ

Thus, the rate opposite to the bisector of one of the angles thus formed bisects the vertically opposite angle. Similarly, the bisection of ∠AOD also bisects the ∠BOC.

Hence, proved...

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Answered by doremoan
1

A Sonar apparatus in a ship sends out a signal vertically downwards. The signal returns after 1.6 s. Find the depth of the sea. The velocity of sound in water = 1500 m/s.

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