in a square ABCD AB =x+4,CD=5x+8
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Answered by
0
Given
AB=x+4
CD=5x+8
AB=CD (opposite side of square)
x+4=5x-8
5x-x=4+8
4x=12
x=3
AB=x+4
CD=5x+8
AB=CD (opposite side of square)
x+4=5x-8
5x-x=4+8
4x=12
x=3
Kalkipriya:
thank you can you help me for other doubt
i am school student 7th icse
pls mam
yeah sure
wait mam
the mean of eight number is 40 if one number is excluded their mean becomes 30 the excluded number is
A )3 B )130 C) 110 d) 138
Answered by
4
In square all side are equal so
= AB = CD
= x+4 = 5x+8
= x = 5x +8-4
= x = 5x+4
= x-5x = 4
= -4x=4
= x = 4/-4
= x = -1 unit
= AB = CD
= x+4 = 5x+8
= x = 5x +8-4
= x = 5x+4
= x-5x = 4
= -4x=4
= x = 4/-4
= x = -1 unit
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