7. If each side of a regular decagon measures ‘a' cm, what is the perimeter of the decagon? 8. What is the perimeter of a regular pentagon, regular hexagon if each of their sides measure 'a' cm?
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Answer:
The perimeter of the decagon is:
= a + a + a + a + a + a + a + a + a + a
= 10a
The perimeter of the pentagon is:
= a + a + a + a + a
= 5a
The perimeter of the hexagon is:
= a + a + a + a + a + a
= 6a
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Answer:
58 cm
Step-by-step explanation:
A regular hexagon has 6 sides.
\therefore Perimeter of regular hexagon = 6\times(Length)
= 6\times8 (given)
= 48 cm.
The perimeter of regular hexagon is 48 cm.
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