Math, asked by rohitrathee30, 1 year ago

give answer please and fast..

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Answered by kumaraditya8088

1

Step-by-step explanation:

Mean of a and b

a+b/2=8.5

a+b=17

Now

a+b+c/3=7

a+b+c=21

17+c=21

c=4

rohitrathee30: bro 9 answer

kumaraditya8088: But 4is correct ans

Answered by nishitdudeja2303

2

By cycLic quadrilateral and angle sum property.

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