in the given figures what must be the value of x to prove ABC congruent DEC bySAS?
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I think value of X is 65/3
roushan21:
yiu are right my bro
nice
sorry by mistake I think that it is 5 instead of 15
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5
let triangle abc congruent to cde
so angle bac=cde ( cpct)
therefore 2x+15=5x-60
2x-5x=-60-15
-3x=-75
3x=75
x=75/3
x=25
so angle bac=cde ( cpct)
therefore 2x+15=5x-60
2x-5x=-60-15
-3x=-75
3x=75
x=75/3
x=25
i like it
thanks
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