Question 4 ,6 and 7:

4. Is  2 x 2   +   5 x 3 2 x  a polynomial. Justify your answer.

6. If the area of equilateral triangle is  3 4 c m 2 , then find the length of its each side. 

7. In the figure, Ad is the bisector of  B A .   Prove   that   A B > B D .


 

Please find below the link of similar query as asked by you :

6 ) https://www.meritnation.com/ask-answer/question/cn-some1-hlp-me-wit-this-the-are-of-an-equilateral-trian/mensuration/3467022

7 ) https://www.meritnation.com/ask-answer/question/in-the-figure-ad-is-the-bisector-of-angle-bac-prove-tha/triangles/9514379

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