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Trig functions area of sector (1 Viewer)

SophJI

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hey can anyone help out with this question..so stuck

The question is

Find the area of the sector, correct to 2 dp, givern

e) Radius is 2.1m and angle subtended is 82 degrees 35minutes



i've attached my working out and i got it wrong
Where am i making mistakes? i don't know what to put in the calculator
can ne1 explain?

and the answer is 3.18
 

simplyyme

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Radius is 2.1m and angle subtended is 82 degrees 35minutes

1. 82°35' x pi/180 = 1.44 (2 dp)

2. 1/2 x (2.1)² x (1.44) = 3.1752 or 3.18 ( 2 dp)
 

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