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Shtirlitz [24]
3 years ago
14

Pls ASAP help me with number 14

Mathematics
2 answers:
erik [133]3 years ago
7 0

Answer: D. 19

Let x by the length of CG. Since the two bases are parallel, we can create the following equation using proportions:

\dfrac{63}{21}=\dfrac{57}{x}

Simplify left side of equation

3=\dfrac{57}{x}

Multiply both sides by x

3x=57

Divide both sides by 3

x=19

Let me know if you need any clarifications, thanks!

attashe74 [19]3 years ago
4 0

Answer:

D. 19

Step-by-step explanation:

because they are parallel bases you can compare

63/57 = 21/x

x = 19

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