Find the perimeter and area of the sector 1c 셋

Question

Question

math geometry

Answer 1

Answer #1

In the diagram the radius is 4 and $\theta$ = 1 radian

The perimeter = 2r + Length of arc = r $\theta$ = (2*4) + (4*1) = 12

Area of the sector = (0.5) * r² * $\theta$ = 0.5 * 16 * 1 = 8

Answer 2

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