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MaRussiya [10]
3 years ago
11

Given: △DKS, m∠K = 90° Find: m∠DOS

Mathematics
1 answer:
Bas_tet [7]3 years ago
5 0

Answer:  

135

Step-by-step explanation:

if mK is 90 then mD is 60 and mS is 30. since the new point is in the middle of the triangle divide 60 and 30 by 2. Now mD is 30 and Ms is 15 so 30+15=45 so 180-45=135

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Answer:

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Step-by-step explanation:

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Left line is defined when x < 1 (x is less than 1). The point is not full and that means that x = 1 is not included.

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