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Maths aqa C2 Watch

1. Who else found this mornings paper a nightmare?

The six marker with perimeter of shaded region was impossible!
2. I got like 13 for the perimeter.. with a really long decimal of 5 for the radius
3. same!!
4. (Original post by Roberto7)
Who else found this mornings paper a nightmare?

The six marker with perimeter of shaded region was impossible!
You were told that the area of the sector equalled the area of the shaded reigon.
Logic dictates that the area of the sector = 0.5* the area of the triangle
so 0.5 rsquared theta = 9.95
and solve from there to find r
The perimeter was equal to 5 + r(theta) + (8-r) + (9-r)
The end value was 13.7 or 13.8

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