Q&A

Belinda has made a lampshade with area 0.32 m², Its shorter arc has

Belinda has made a lampshade with area 0.32 m²,
Its shorter arc has length 1 m, and its slant height is 28 cm.100.32 m2is 28 cm.1 m28 cmSuppose the material is cut as the difference between twosectors with common angle 8°, and radii r and R.a Show that the area of the lampshade is given by0.280A= 72r + 0.28) m23606 Use the smaller sector to show that 0180C Find r and e.ROTT00d Hence find the length of the longer arc.This is the full version of the question.​

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