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Furkat [3]
2 years ago
6

What is the definition of chemistry

Mathematics
2 answers:
amm18122 years ago
7 0
<span>Chemistry is the branch of science that deals with the identification of the substances of which matter is composed. </span>
kaheart [24]2 years ago
6 0
Chem - Chemicals istry - a science. Chemical science
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Three circles with centers A, B, and C are externally tangent to each other as shown in the figure. Lines EG and DG are tangent
fiasKO [112]
My solution to the problem is as follows:

EC = 15 ... draw CF = 6 (radius) ...use Pythagorean theorem to find EF. 

EF^2 + CF^2 = EC^2 
EF^2 = 15^2 - 6^2 = 189 .... EF = sq root 189 

triangle GDE is similar to CFE ... thus proportional 
GD / ED = CF / EF 
GD / 18 = 6 / (sq root 189) 
<span>GD = 108 / (sq root 189)

I hope my answer has come to your help. God bless and have a nice day ahead!


</span>
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