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ASHA 777 [7]
3 years ago
11

Name four angles between 0 and 360 degrees with a reference angle of 20 degrees Show work

Mathematics
2 answers:
nignag [31]3 years ago
8 0

Answer with explanation:

Reference Angle =20°

Angle Lies in First Quadrant.

⇒≡Reference Angle of 20°, which should lie between 0° and 360° can be evaluated by using the formula=360°n+20°, for n=0,1,2,3,4,....

So,First Reference angle of 20°=20°

Second reference angle of 20°=360°× 1+20°=380°

Third Reference angle of 20°=360°× 2+20°

       =720°+20°

       =740°

Fourth Reference angle of 20°=360°×3+20°

       =1080°+20°

       =1100°  

Archy [21]3 years ago
5 0
20, 180 - 20, 180 + 20 and 360 - 20

i.e. 20°, 160°, 200° and 340°
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