Question

Class 9 Ch 8 question no 6 Of Exercise 8.1 Please slove this o will mark Brainlest

Answer 1

Answer:

(See question and diagram from textbook)

Diagonal AC bisects A of the parallelogram ABCD.

(i) Since AB  DC and AC intersects them.

1 = 3 [Alternate angles] ……….(i)

Similarly 2 = 4 ……….(ii)

But 1 = 2 [Given]……….(iii)

3 = 4[Using eq. (i), (ii) and (iii)]

Thus AC bisects C.

(ii) 2 = 3 = 4 = 1

AD = CD[Sides opposite to equal angles]

AB = CD = AD = BC

Hence ABCD is a rhombus.

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Answer 2

Step-by-step explanation:

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