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Level 2

If A B = 16 AB = 16 then calculate the measurement of C D CD .

This is part of the series: " It's easy, believe me! "


The answer is 12.

Thành Đạt Lê by Thành Đạt Lê , 17, Singapore

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1 solution

Marta Reece
Dec 16, 2017

C G = 1 2 A B = 8 CG=\frac 12 AB=8

E F = C G = 8 EF=CG=8

C D = 1 2 ( E F + A B ) = 12 CD=\frac12 (EF+AB)=\boxed{12}

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