3 years ago

What is the measure of DA? 15 90 105 165

Mathematics

1 answer:

seraphim [82]3 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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