Math, asked by sandeepkumar42377, 10 months ago

find the area of a triangle which is formed by the lines y=x+1, y=4x+5 and y=7-x

Answers

Answered by praveena2211

1

Answer:

x+1=4x+5=7-x
so equal of the x value
x values are take one side
x+4x-x=1+5+7
4x=13
x=13/4
y=13/4+1=13+4/4=17/4
y=4(13/4)+5=18
y=7-13/4=28-13/4=15/4
y(17/4, 18, 15/4)

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