Answer:
21
Step-by-step explanation:
Answer:
50 each base angle
Base Angle_1 + Base Angle_2 + Vertex = 180
50 + 50 + 80 = 180
180 = 180
Step-by-step explanation:
Sum of interior angles of Triangle is 18- degrees.
2b + vertex = 180
2b + 80 = 180
2b + 80 -80 = 180 - 80
2b = 100
b = 50
Answer:
The battery was 19 percent when the charging began.
It took 32.4 minutes for the battery to be fully charged.
Step-by-step explanation: