All angles of a triangle sums up to 180 degrees
a° = 3a + 90 = 180°
3a = 180 - 90
3a = 90
a = 90÷3
a = 30°
b = 180-(25+90)
b = 180 - 115
b = 65°
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Answer:
b= 65 a=25 and 2a=32.5
Step-by-step explanation:
cosec²x is the answer
AOA
Answer: She bought 6 $5 magazines and 5 $4 magazines