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i have no clue what im doing.. please help​

I Have No Clue What Im Doing Please Help class=

Sagot :

Answer:

2

Step-by-step explanation:

If triangles are similar (like shape ratios are exactly the same), then, 21 ÷ 3 = 7.  Now you know the ratio to apply.  So, side with the length of 14 s/b divided by that ratio of 7, that is, 14 ÷ 7 = 2