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For Dhe meandue multiple ofs.of firstcurcle make equal angles with the disection, prove that the chords are equal.AB and CD are two chords ofin centre o intersecting at a point E. PQsada through E. such that ZAEQ = 2 DEQ(see Fig. 10.24). You ha |
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Answer» -step explanation:ANSWER:Given :-\BEGIN{gathered} \\ \end{gathered}Diameter of wheel = 28 cmDistance = 704 mTo Find :-\begin{gathered} \\ \end{gathered}How many times it revolvesSoluTion :-\begin{gathered} \\ \end{gathered}Radius = Diameter/2Radius = 28/2Radius = 14 cmCircumference of circle = 2πrCircumference = 2×22/7×14Circumference = 2 × 22 × 2Circumference = 4 × 22Circumference = 88 cmNow,CONVERTING m - cm1 m = 100 cm704 m = 704 × 100 = 70400 cm²Total times = 70400/88Total time it COVER = 800 |
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