myanika myanika

08-02-2022
Mathematics

contestada

Work out the sum of the interior angles of:
a heptagon (7 sides) a nonagon (9 sides)
a decagon (10 sides)

Respuesta :

SavageKazuha SavageKazuha

08-02-2022

Answer:

heptagon- 900

Nonagon- 1260

Decagon- 1440

Step-by-step explanation: n-2 x 180 degrees is the formula where n is the number of sides

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