Answer:
144
Step-by-step explanation:
angle A + angle B = 180 (supplementary angle)
A = 4B
4b+b=180
5b=180
Divide 5 on both sides to get b=36
180-36= measure of angle A
180-36=144
Exact form :
1
_______
600000
Decimal form :
-
1. 6 . 10 ^ -6.
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Answer:
9
Step-by-step explanation:
2,3,4,7,7,7,9,9,14,17,21
21,17,14,9,9,7,7,7,4,3,2
3,7,7,7,9,9,17,21
Step-by-step explanation:
< ABE = 180° - 63° = 117° ans