Find the length of the arc of a circle with radius 0.7 m and area of the sector
is 0.49 m2
.
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Area of sector = 1/2×l×r
0.49 = 1/ 2×l×0.7
0.49×2×1/0.7 = l
1.4 = length of arc.
0.49 = 1/ 2×l×0.7
0.49×2×1/0.7 = l
1.4 = length of arc.
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