meghan2
meghan2
21-10-2016
Mathematics
contestada
How to solve for the letter y
Respuesta :
apologiabiology
apologiabiology
21-10-2016
ratio and proprtion
if the leftmost side is z
we know that 2 triangles that are congruent have sides in same ratio
so
x:8:9=z:9:y
8:9=9:y
8/9=9/y
times 9y both sides
8y=81
y=10 and 1/8
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