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14 votes
14 votes
Please help me with 1 and 2 on his paper

Please help me with 1 and 2 on his paper-example-1
User MonocroM
by
2.6k points

1 Answer

26 votes
26 votes


\piAnswer:

Explanation:

1. Work out the whole area of the shape

Area of circle:
\pi r^(2)

r=16cm

16x16 = 256
\pi

2. Work out the area of the sector

as a circle is 360°

1 slices= 36° ( 360°/10)

36/360 x 256
\pi = 80.42

ARC LENTH:

Circumfrence: 2
\pir

Circumfrence:2
\pix16 = 32
\pi

32
\pix36/360=10.05

User Andrewm
by
3.0k points