The diagram shows part of a regular polygon shaded in green.The interior angle is (28x+4)°.The exterior angle is (5x+11)°.How ma
ny sides does the polygon have?The diagram is not drawn to scale.
1 answer:
Answer:
10 sides
Step-by-step explanation:
(28x+4)°+(5x+11)°=180°
28x+5x+11°+4°=180°
33x+15°=180°
33x=180-15
33x=165°
X=5.
Interior =(28×5)+4=144°
Exterior=(5×5)+11°=36°
No. of sides=360°\exterior
360°\36
10.
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