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tatyana61 [14]
2 years ago
14

What is the measure of DA? 15 90 105 165

Mathematics
1 answer:
seraphim [82]2 years ago
3 0

Answer:

D. 165

Step-by-step explanation:

if A+n=180

75+90+n=180

165+n=180

n=180-165

n=15

A+n=180

A+15=180

A=180-15

A=165 (D)

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