Drag each equation to show if it could be a correct first step to solving the equation 3 (x + 8) =42
2 answers:
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Given :-
- Two triangles with their two angles equal .
To Find :-
- Measure of AC .
Answer :-
Here in ∆ABC and ∆EDC ,
CAB =
-
Therefore by AA similarity criterion , we can say that ∆ABC ~ ∆EDC . Also we know that corresponding sides of similar triangles are proportional . So ,
→ AC/EC = BC/DC
→ AC/9 = 8/12
→ AC = 8/12 * 9
→ AC = 6
<u>Hence</u><u> the</u><u> </u><u>measure</u><u> of</u><u> </u><u>side </u><u>AC </u><u>is </u><u>6</u><u> </u><u>.</u>
I hope this helps.