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Mathematics 11 Online
OpenStudy (anonymous):

the figure below shows two congruent triangular parks. what equation would help you to solve for the side length of BC and EF? explain your reasoning using complete sentences

OpenStudy (anonymous):

ganeshie8 (ganeshie8):

since the triangular parks are congruent, the corresponding lengths will be congruent too : BC = EF 3x - 4 = x+6

ganeshie8 (ganeshie8):

solve x, what do u get ?

OpenStudy (anonymous):

x=5

ganeshie8 (ganeshie8):

Yes! plug that x value in BC expression and find the length

OpenStudy (anonymous):

ummm im not sure how to plug the x value

ganeshie8 (ganeshie8):

You have BC = 3x - 4 plug x = 5 above BC = 3*5 - 4 = ?

OpenStudy (anonymous):

BC= 3(5)-4= 11

ganeshie8 (ganeshie8):

Correct !

ganeshie8 (ganeshie8):

Since EF is congruent to BC, its length will be 11 too

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