Answer:
? = -1 1/4 (Negetive one and one fourth)
Step-by-step explanation:
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It is read as a minus b minus c whole square. The (a - b - c)2 formula is expressed as (a - b - c)2 = a2 + b2 + c2 - 2ab + 2bc - 2ca.
5.45,5.451,234,579..............
Answer:
Step-by-step explanation:
ANSWER = c. 63°
EXP:
>ABC = 1/2(x + y)