Triangles BDC, CBD, CDB, DBC and DCB.
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Label the parallelogram ABCD (with AB parallel to DC, AD parallel to BC) and the point where the angle bisectors of DAB and ABC meet X. It is needed to be shown that angle AXB is 90o.Call angle DAB a and angle ABC b. Then the bisectors of these angles are 1/2a and 1/2b.First note that for a parallelogram, opposite angles are equal, ie:ADC = ABC = aDAB = DCB = bAlso, the sum of all angles in a quadrilateral (and a parallelogram is one) in 360o. Thus:360o = DAB + ABC + BCD + CDA360o = a +b + a + b360o = 2a +2bOr dividing by 2:180o = a + band again by 2:90o = 1/2a + 1/2b - [1]Now consider triangle AXB. Angle XAB = 1/2b, XBA = 1/2b. So angle:AXB = 180o - (XAB + XBA)AXB = 180o - (1/2a + 1/2b)AXB = 180o - 90o (As shown in [1] above)AXB = 90oThus the bisectors of adjacent angles of a parallelogram meet at right angles.Opposite angles of a parallelogram can be shown to be equal by extending sides AB and DC and then using corresponding and alternate angles.Alternatively, adjacent angles of a parallelogram can also be shown to sum to 180o by extending line AB (to any point Y beyond B) and using that DAY and CBY are corresponding angles and that ABC and CBY sum to 180o since ABY is a straight line.
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DCB Bank is a private sector Indian bank.
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42.9
Development credit bank
DCB stands for Data Control Block, which is a control block used in IBM mainframe operating systems to manage data sets. The address of the DCB is a memory location where the system stores information about the characteristics and location of a particular data set, such as record format, block size, and device type.
0,1,2, is hot cross buns so its: 0,1,2, hot cross buns 0,1,2, hot cross buns 2,2,2,2, One a penny 1,1,1,1, 2 a penny 0,1,2 hot cross buns
To play "Three Blind Mice" on the flute, start by playing the notes G, A, and B in a descending sequence. This will mimic the opening notes of the song. With practice, you can then try to play the full melody of the song by following the sheet music or by ear. Remember to use proper fingering and breath control while playing.
Triangles BDC, CBD, CDB, DBC and DCB.
Asa /sss
DCB stands for Data Center Bridging, which is a set of enhancements to the Ethernet local area network (LAN) specification to improve the bandwidth and latency for data center applications. These enhancements are designed to optimize Ethernet for use in storage area networks and converged networks that carry storage and data traffic over the same physical link.
Yes, they were afraid of FLOOD. BTW, if you go to DCB and go to year 5, i go there too and it's HOMEWORK