3. A
4.B
5.B
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Answer:
80
Step-by-step explanation:
80 * 20% = 16
then 16 is 20% of 80
Triangle= 180 degrees
Angle = 37.5 degrees
Supplement angle = 105 degrees
If you multiply the angle (37.5) by 2 and then add 30, it gives you 105. Then add 37.5 twice to make up the other two angles of the triangle and it gives you 180 total degrees as a triangle should.
Answer:
Step-by-step explanation: