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  4. The windscreen wiper of a car sweeps through an angle of 150'.The blade of the...

The windscreen wiper of a car sweeps through an angle of 150'.The blade of the...

The windscreen wiper of a car sweeps through an angle of 150'.The blade of the wiper is 21 cm long and the radius of the unswept sector is 6cm.What area of the glass is swept clean?
In Mathematics
4 Answers Available
Asked by Victor on 16th May, 2020
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WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts