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Mathematics Waec answers 2022 will be posted here soonest but our VIPs will get it first
13a) Area=2πr²+2πrh
=> Area=2πr(r+h)
=> r+h=Area/(2πr)
=> h=(Area/(2πr))-r
given that area=209cm² and r=7cm and π=22/7
=> h=(209)/(2×22/7×7) -7
=> h=(209/44) -7
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