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CBSE Class 8 Answered

In the given figure, ABCD is a parallelogram in which ∠BAD = 750 and ∠DBC =600. Calculate: ∠CDB.  
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

We know that the opposite angles of a parallelogram are equal.

BCD= BAD = 750

Now , in triangle BCD, we have

CDB + DBC + BCD = 1800

(as the sum of the angles of a triangle is 180o)

CDB + 600 + 750 = 1800

CDB + 1350 = 1800

CDB = 1800 - 1350 = 450

So, CDB = 450.

Answered by | 04 Jun, 2014, 03:23: PM

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