Well, split it into 3 shapes
21 x 10 = 210
3 x 6 = 18
2 x 6 = 12
210 + 18 + 12 = 240 square cm
imahe for more context
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Answer:
244.965
Step-by-step explanation:
it is what it is
Answer:
Always
Step-by-step explanation:
Subtracting a from both sides yields b>0, which is always true since b is a positive integer.
Answer:

Step-by-step explanation:
This is basic trigonometry.




And finally perimeter (p):

Answer:
Dh
Step-by-step explanation:
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