252sq. m
Step-by-step explanation:
Area of rectangle=length × breadth=21×12=252
Answer:
2x - 9y = 23
5x - 3y = -12x - 9y = 23we]periyhw[euiorghweuirtg7wuio[ryg
5x - 3y = -12x - 9y = 23
5x - 3y = -1
70.86 degrees
cos x = adjacent side / hypotenuse
= 2/6.1 = 0.32787
x = 70.86.
The answer is x<6 I hope this helps
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