## anonymous one year ago Given figure CDEFGH ~ figure STUVWX, what is the value of a? A. 1.07 cm B. 3.75 cm C. 6 cm D. 15 cm http://static.k12.com/calms_media/media/1572000_1572500/1572066/1/5cce941c6cf9ab8ae0684c79fcb37191712a7b33/MS_IMC-141210-110205.jpg

1. anonymous

You could simply find this by the ratio formula of similarity : $\frac{ 5 }{ 2 } = \frac{ 15 }{ a }$ To ge "a" you simply criss-cross and U'll get sth like this : $a = 15 * \frac{ 2 }{ 5 } = 3*2 = 6 cm$ Let me know if you got it :)

2. anonymous

ok thx