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1. 4/5 - 2/15 = 2/3
2. 4/7 - 2/8 9/28
Answer:
±5
±25
Step-by-step explanation:
Answer:
Step-by-step explanation:
The correct answer is: AB = 3.11
Explanation:
Since

--- (1)

= 50°
base = 2
And hypotenuse = AB
Plug in the values in (1):
(1) => cos(50°) = 2/AB
=> AB = 2/0.643
=> AB = 3.11