26) A sector of radius 4.2 cm has an area 9.24 cm, find its perimeter.
27) Subtract 6a2-5ab+3b2 from 4a2-3ab+b2.
5.4
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2
Answer:
26. 13.34 27. 40
Step-by-step explanation:
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0
Step-by-step explanation:
6a2-5av+3b2from 4a2-3ab+b2
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