Midnite300
Midnite300
30-04-2018
Mathematics
contestada
What is the measure of DE?
16
12
20
10
Respuesta :
musiclover10045
musiclover10045
30-04-2018
set up a ratio to find the length:
15/12 = DE/16
cross multiply the 15 & 16:
15 * 16 = 240
divide that by 12 to get DE
240 / 12 = 20
DE = 20
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