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Answer both questions please

Answer both questions please-example-1

1 Answer

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6)
P of Regular heptagon = 7a = 7 x 12 = 84

Area of Regular heptagon = 1/2 P a
Area of Regular heptagon = 1/2 (84)(8)
Area of Regular heptagon = = 336

answer
B. 336

7)

P of Regular nonagon= 9a = 9 x 9 = 81

Area of Regular heptagon = 1/2 P a
Area of Regular heptagon = 1/2 (81)(16)
Area of Regular heptagon = = 648

answer
D. 648

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