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These resources are designed to help you familiarize yourself with the exam format, identify key topics, and practice effectively. Whether you're preparing for the May/June or GCE sessions, our curated materials provide both objective and theory questions to enhance your study sessions.","tags","waec nigeria west africa examination council","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",10,"createdOn",1755991949910,"updatedOn","questionsCount",27220,"courseCount",23,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":414,"_415":416,"_263":370,"_417":418,"_419":420,"_110":425},"mbzNPJG8bc0guRaiPk1aqfaDQbF24I","q","PQR is a sector of a circle centre O, radius 4cm. If PQR = 30^o, find, correct to 3 significant figures, the area of sector PQR. [Take \\(\\pi = \\frac{22}{7}\\)]","ans",[95],"2008","course","mathematics","exp","Given q² = 25 - r².....(1)
\n
\nfrom pythagora's theorem
\n
\nP² = q² + r².......(2)
\n
\nput (1) into (2)
\n
\np² = 25 - p² + x²
\n
\np² = 25
\n
\np = \\(\\sqrt{25}\\)
\n
\n= 5","opts",[421,422,423,424],"4.19cm²","8.38cm²","10.5cm²","20.9cm²",14,"14","initComment","initReply","actionData","errors"]

WAEC - Mathematics (2008 - No. 14)

Explanation

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